99239680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 255483648

約数和(自身を除く): 156243968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 61, 62, 64, 80, 82, 122, 124, 128, 155, 160, 164, 205, 244, 248, 256, 305, 310, 320, 328, 410, 488, 496, 610, 620, 640, 656, 820, 976, 992, 1220, 1240, 1271, 1280, 1312, 1640, 1891, 1952, 1984, 2440, 2480, 2501, 2542, 2624, 3280, 3782, 3904, 3968, 4880, 4960, 5002, 5084, 5248, 6355, 6560, 7564, 7808, 7936, 9455, 9760, 9920, 10004, 10168, 10496, 12505, 12710, 13120, 15128, 15616, 18910, 19520, 19840, 20008, 20336, 25010, 25420, 26240, 30256, 37820, 39040, 39680, 40016, 40672, 50020, 50840, 52480, 60512, 75640, 77531, 78080, 80032, 81344, 100040, 101680, 121024, 151280, 155062, 160064, 162688, 200080, 203360, 242048, 302560, 310124, 320128, 325376, 387655, 400160, 406720, 484096, 605120, 620248, 640256, 775310, 800320, 813440, 1210240, 1240496, 1550620, 1600640, 1626880, 2420480, 2480992, 3101240, 3201280, 4961984, 6202480, 9923968, 12404960, 19847936, 24809920, 49619840, 99239680]

約数ペア:

[(1, 99239680), (2, 49619840), (4, 24809920), (5, 19847936), (8, 12404960), (10, 9923968), (16, 6202480), (20, 4961984), (31, 3201280), (32, 3101240), (40, 2480992), (41, 2420480), (61, 1626880), (62, 1600640), (64, 1550620), (80, 1240496), (82, 1210240), (122, 813440), (124, 800320), (128, 775310), (155, 640256), (160, 620248), (164, 605120), (205, 484096), (244, 406720), (248, 400160), (256, 387655), (305, 325376), (310, 320128), (320, 310124), (328, 302560), (410, 242048), (488, 203360), (496, 200080), (610, 162688), (620, 160064), (640, 155062), (656, 151280), (820, 121024), (976, 101680), (992, 100040), (1220, 81344), (1240, 80032), (1271, 78080), (1280, 77531), (1312, 75640), (1640, 60512), (1891, 52480), (1952, 50840), (1984, 50020), (2440, 40672), (2480, 40016), (2501, 39680), (2542, 39040), (2624, 37820), (3280, 30256), (3782, 26240), (3904, 25420), (3968, 25010), (4880, 20336), (4960, 20008), (5002, 19840), (5084, 19520), (5248, 18910), (6355, 15616), (6560, 15128), (7564, 13120), (7808, 12710), (7936, 12505), (9455, 10496), (9760, 10168), (9920, 10004)]