212828203520

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2681807}}^1$

素因数の和:2681861

約数の個数: 80

約数和(自身を含む): 526750000128

約数和(自身を除く): 313921796608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19840, 39680, 79360, 2681807, 5363614, 10727228, 13409035, 21454456, 26818070, 42908912, 53636140, 83136017, 85817824, 107272280, 166272034, 171635648, 214544560, 332544068, 343271296, 415680085, 429089120, 665088136, 686542592, 831360170, 858178240, 1330176272, 1373085184, 1662720340, 1716356480, 2660352544, 3325440680, 3432712960, 5320705088, 6650881360, 6865425920, 10641410176, 13301762720, 21282820352, 26603525440, 42565640704, 53207050880, 106414101760, 212828203520]

約数ペア:

[(1, 212828203520), (2, 106414101760), (4, 53207050880), (5, 42565640704), (8, 26603525440), (10, 21282820352), (16, 13301762720), (20, 10641410176), (31, 6865425920), (32, 6650881360), (40, 5320705088), (62, 3432712960), (64, 3325440680), (80, 2660352544), (124, 1716356480), (128, 1662720340), (155, 1373085184), (160, 1330176272), (248, 858178240), (256, 831360170), (310, 686542592), (320, 665088136), (496, 429089120), (512, 415680085), (620, 343271296), (640, 332544068), (992, 214544560), (1240, 171635648), (1280, 166272034), (1984, 107272280), (2480, 85817824), (2560, 83136017), (3968, 53636140), (4960, 42908912), (7936, 26818070), (9920, 21454456), (15872, 13409035), (19840, 10727228), (39680, 5363614), (79360, 2681807)]