496988125

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 649592064

約数和(自身を除く): 152603939

約数列:

[1, 5, 25, 31, 113, 125, 155, 227, 565, 625, 775, 1135, 2825, 3503, 3875, 5675, 7037, 14125, 17515, 19375, 25651, 28375, 35185, 70625, 87575, 128255, 141875, 175925, 437875, 641275, 795181, 879625, 2189375, 3206375, 3975905, 4398125, 16031875, 19879525, 99397625, 496988125]

約数ペア:

[(1, 496988125), (5, 99397625), (25, 19879525), (31, 16031875), (113, 4398125), (125, 3975905), (155, 3206375), (227, 2189375), (565, 879625), (625, 795181), (775, 641275), (1135, 437875), (2825, 175925), (3503, 141875), (3875, 128255), (5675, 87575), (7037, 70625), (14125, 35185), (17515, 28375), (19375, 25651)]