17996946875

素因数分解:

$5^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2922

約数の個数: 48

約数和(自身を含む): 23606614080

約数和(自身を除く): 5609667205

約数列:

[1, 5, 25, 29, 71, 125, 145, 355, 625, 725, 1775, 2059, 2797, 3125, 3625, 8875, 10295, 13985, 18125, 44375, 51475, 69925, 81113, 90625, 198587, 221875, 257375, 349625, 405565, 992935, 1286875, 1748125, 2027825, 4964675, 5759023, 6434375, 8740625, 10139125, 24823375, 28795115, 50695625, 124116875, 143975575, 253478125, 620584375, 719877875, 3599389375, 17996946875]

約数ペア:

[(1, 17996946875), (5, 3599389375), (25, 719877875), (29, 620584375), (71, 253478125), (125, 143975575), (145, 124116875), (355, 50695625), (625, 28795115), (725, 24823375), (1775, 10139125), (2059, 8740625), (2797, 6434375), (3125, 5759023), (3625, 4964675), (8875, 2027825), (10295, 1748125), (13985, 1286875), (18125, 992935), (44375, 405565), (51475, 349625), (69925, 257375), (81113, 221875), (90625, 198587)]