98639120

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1871}}^1$

素因数の和:2543

約数の個数: 40

約数和(自身を含む): 229806720

約数和(自身を除く): 131167600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 1871, 2636, 3295, 3742, 5272, 6590, 7484, 9355, 10544, 13180, 14968, 18710, 26360, 29936, 37420, 52720, 74840, 149680, 1232989, 2465978, 4931956, 6164945, 9863912, 12329890, 19727824, 24659780, 49319560, 98639120]

約数ペア:

[(1, 98639120), (2, 49319560), (4, 24659780), (5, 19727824), (8, 12329890), (10, 9863912), (16, 6164945), (20, 4931956), (40, 2465978), (80, 1232989), (659, 149680), (1318, 74840), (1871, 52720), (2636, 37420), (3295, 29936), (3742, 26360), (5272, 18710), (6590, 14968), (7484, 13180), (9355, 10544)]