55340240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9743}}^1$

素因数の和:9827

約数の個数: 40

約数和(自身を含む): 130491648

約数和(自身を除く): 75151408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9743, 19486, 38972, 48715, 77944, 97430, 155888, 194860, 389720, 691753, 779440, 1383506, 2767012, 3458765, 5534024, 6917530, 11068048, 13835060, 27670120, 55340240]

約数ペア:

[(1, 55340240), (2, 27670120), (4, 13835060), (5, 11068048), (8, 6917530), (10, 5534024), (16, 3458765), (20, 2767012), (40, 1383506), (71, 779440), (80, 691753), (142, 389720), (284, 194860), (355, 155888), (568, 97430), (710, 77944), (1136, 48715), (1420, 38972), (2840, 19486), (5680, 9743)]