12519040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 30942720

約数和(自身を除く): 18423680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 631, 640, 992, 1240, 1262, 1984, 2480, 2524, 3155, 3968, 4960, 5048, 6310, 9920, 10096, 12620, 19561, 19840, 20192, 25240, 39122, 40384, 50480, 78244, 80768, 97805, 100960, 156488, 195610, 201920, 312976, 391220, 403840, 625952, 782440, 1251904, 1564880, 2503808, 3129760, 6259520, 12519040]

約数ペア:

[(1, 12519040), (2, 6259520), (4, 3129760), (5, 2503808), (8, 1564880), (10, 1251904), (16, 782440), (20, 625952), (31, 403840), (32, 391220), (40, 312976), (62, 201920), (64, 195610), (80, 156488), (124, 100960), (128, 97805), (155, 80768), (160, 78244), (248, 50480), (310, 40384), (320, 39122), (496, 25240), (620, 20192), (631, 19840), (640, 19561), (992, 12620), (1240, 10096), (1262, 9920), (1984, 6310), (2480, 5048), (2524, 4960), (3155, 3968)]