19744589440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{8807}}^1$

素因数の和:8970

約数の個数: 128

約数和(自身を含む): 49161323520

約数和(自身を除く): 29416734080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 113, 124, 128, 155, 160, 226, 248, 310, 320, 452, 496, 565, 620, 640, 904, 992, 1130, 1240, 1808, 1984, 2260, 2480, 3503, 3616, 3968, 4520, 4960, 7006, 7232, 8807, 9040, 9920, 14012, 14464, 17515, 17614, 18080, 19840, 28024, 35030, 35228, 36160, 44035, 56048, 70060, 70456, 72320, 88070, 112096, 140120, 140912, 176140, 224192, 273017, 280240, 281824, 352280, 448384, 546034, 560480, 563648, 704560, 995191, 1092068, 1120960, 1127296, 1365085, 1409120, 1990382, 2184136, 2241920, 2730170, 2818240, 3980764, 4368272, 4975955, 5460340, 5636480, 7961528, 8736544, 9951910, 10920680, 15923056, 17473088, 19903820, 21841360, 30850921, 31846112, 34946176, 39807640, 43682720, 61701842, 63692224, 79615280, 87365440, 123403684, 127384448, 154254605, 159230560, 174730880, 246807368, 308509210, 318461120, 493614736, 617018420, 636922240, 987229472, 1234036840, 1974458944, 2468073680, 3948917888, 4936147360, 9872294720, 19744589440]

約数ペア:

[(1, 19744589440), (2, 9872294720), (4, 4936147360), (5, 3948917888), (8, 2468073680), (10, 1974458944), (16, 1234036840), (20, 987229472), (31, 636922240), (32, 617018420), (40, 493614736), (62, 318461120), (64, 308509210), (80, 246807368), (113, 174730880), (124, 159230560), (128, 154254605), (155, 127384448), (160, 123403684), (226, 87365440), (248, 79615280), (310, 63692224), (320, 61701842), (452, 43682720), (496, 39807640), (565, 34946176), (620, 31846112), (640, 30850921), (904, 21841360), (992, 19903820), (1130, 17473088), (1240, 15923056), (1808, 10920680), (1984, 9951910), (2260, 8736544), (2480, 7961528), (3503, 5636480), (3616, 5460340), (3968, 4975955), (4520, 4368272), (4960, 3980764), (7006, 2818240), (7232, 2730170), (8807, 2241920), (9040, 2184136), (9920, 1990382), (14012, 1409120), (14464, 1365085), (17515, 1127296), (17614, 1120960), (18080, 1092068), (19840, 995191), (28024, 704560), (35030, 563648), (35228, 560480), (36160, 546034), (44035, 448384), (56048, 352280), (70060, 281824), (70456, 280240), (72320, 273017), (88070, 224192), (112096, 176140), (140120, 140912)]