12578560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 31199616

約数和(自身を除く): 18621056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 317, 320, 496, 620, 634, 640, 992, 1240, 1268, 1280, 1585, 1984, 2480, 2536, 3170, 3968, 4960, 5072, 6340, 7936, 9827, 9920, 10144, 12680, 19654, 19840, 20288, 25360, 39308, 39680, 40576, 49135, 50720, 78616, 81152, 98270, 101440, 157232, 196540, 202880, 314464, 393080, 405760, 628928, 786160, 1257856, 1572320, 2515712, 3144640, 6289280, 12578560]

約数ペア:

[(1, 12578560), (2, 6289280), (4, 3144640), (5, 2515712), (8, 1572320), (10, 1257856), (16, 786160), (20, 628928), (31, 405760), (32, 393080), (40, 314464), (62, 202880), (64, 196540), (80, 157232), (124, 101440), (128, 98270), (155, 81152), (160, 78616), (248, 50720), (256, 49135), (310, 40576), (317, 39680), (320, 39308), (496, 25360), (620, 20288), (634, 19840), (640, 19654), (992, 12680), (1240, 10144), (1268, 9920), (1280, 9827), (1585, 7936), (1984, 6340), (2480, 5072), (2536, 4960), (3170, 3968)]