157906250

素因数分解:

$2^1\times 5^6\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 56

約数和(自身を含む): 307496064

約数和(自身を除く): 149589814

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 163, 250, 310, 326, 625, 775, 815, 1250, 1550, 1630, 3125, 3875, 4075, 5053, 6250, 7750, 8150, 10106, 15625, 19375, 20375, 25265, 31250, 38750, 40750, 50530, 96875, 101875, 126325, 193750, 203750, 252650, 484375, 509375, 631625, 968750, 1018750, 1263250, 2546875, 3158125, 5093750, 6316250, 15790625, 31581250, 78953125, 157906250]

約数ペア:

[(1, 157906250), (2, 78953125), (5, 31581250), (10, 15790625), (25, 6316250), (31, 5093750), (50, 3158125), (62, 2546875), (125, 1263250), (155, 1018750), (163, 968750), (250, 631625), (310, 509375), (326, 484375), (625, 252650), (775, 203750), (815, 193750), (1250, 126325), (1550, 101875), (1630, 96875), (3125, 50530), (3875, 40750), (4075, 38750), (5053, 31250), (6250, 25265), (7750, 20375), (8150, 19375), (10106, 15625)]