85900280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40519}}^1$

素因数の和:40583

約数の個数: 32

約数和(自身を含む): 196927200

約数和(自身を除く): 111026920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 40519, 81038, 162076, 202595, 324152, 405190, 810380, 1620760, 2147507, 4295014, 8590028, 10737535, 17180056, 21475070, 42950140, 85900280]

約数ペア:

[(1, 85900280), (2, 42950140), (4, 21475070), (5, 17180056), (8, 10737535), (10, 8590028), (20, 4295014), (40, 2147507), (53, 1620760), (106, 810380), (212, 405190), (265, 324152), (424, 202595), (530, 162076), (1060, 81038), (2120, 40519)]