127681250

素因数分解:

$2^1\times 5^5\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 247484160

約数和(自身を除く): 119802910

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 625, 659, 775, 1250, 1318, 1550, 3125, 3295, 3875, 6250, 6590, 7750, 16475, 19375, 20429, 32950, 38750, 40858, 82375, 96875, 102145, 164750, 193750, 204290, 411875, 510725, 823750, 1021450, 2059375, 2553625, 4118750, 5107250, 12768125, 25536250, 63840625, 127681250]

約数ペア:

[(1, 127681250), (2, 63840625), (5, 25536250), (10, 12768125), (25, 5107250), (31, 4118750), (50, 2553625), (62, 2059375), (125, 1021450), (155, 823750), (250, 510725), (310, 411875), (625, 204290), (659, 193750), (775, 164750), (1250, 102145), (1318, 96875), (1550, 82375), (3125, 40858), (3295, 38750), (3875, 32950), (6250, 20429), (6590, 19375), (7750, 16475)]