28261250

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1028

約数の個数: 40

約数和(自身を含む): 55332288

約数和(自身を除く): 27071038

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 983, 1150, 1250, 1966, 2875, 4915, 5750, 9830, 14375, 22609, 24575, 28750, 45218, 49150, 113045, 122875, 226090, 245750, 565225, 614375, 1130450, 1228750, 2826125, 5652250, 14130625, 28261250]

約数ペア:

[(1, 28261250), (2, 14130625), (5, 5652250), (10, 2826125), (23, 1228750), (25, 1130450), (46, 614375), (50, 565225), (115, 245750), (125, 226090), (230, 122875), (250, 113045), (575, 49150), (625, 45218), (983, 28750), (1150, 24575), (1250, 22609), (1966, 14375), (2875, 9830), (4915, 5750)]