15944808520

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1667867}}^1$

素因数の和:1668117

約数の個数: 32

約数和(自身を含む): 36025948800

約数和(自身を除く): 20081140280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 1667867, 3335734, 6671468, 8339335, 13342936, 16678670, 33357340, 66714680, 398620213, 797240426, 1594480852, 1993101065, 3188961704, 3986202130, 7972404260, 15944808520]

約数ペア:

[(1, 15944808520), (2, 7972404260), (4, 3986202130), (5, 3188961704), (8, 1993101065), (10, 1594480852), (20, 797240426), (40, 398620213), (239, 66714680), (478, 33357340), (956, 16678670), (1195, 13342936), (1912, 8339335), (2390, 6671468), (4780, 3335734), (9560, 1667867)]