102901250

素因数分解:

$2^1\times 5^4\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 40

約数和(自身を含む): 194337792

約数和(自身を除く): 91436542

約数列:

[1, 2, 5, 10, 25, 50, 125, 191, 250, 382, 431, 625, 862, 955, 1250, 1910, 2155, 4310, 4775, 9550, 10775, 21550, 23875, 47750, 53875, 82321, 107750, 119375, 164642, 238750, 269375, 411605, 538750, 823210, 2058025, 4116050, 10290125, 20580250, 51450625, 102901250]

約数ペア:

[(1, 102901250), (2, 51450625), (5, 20580250), (10, 10290125), (25, 4116050), (50, 2058025), (125, 823210), (191, 538750), (250, 411605), (382, 269375), (431, 238750), (625, 164642), (862, 119375), (955, 107750), (1250, 82321), (1910, 53875), (2155, 47750), (4310, 23875), (4775, 21550), (9550, 10775)]