28491250

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1036

約数の個数: 40

約数和(自身を含む): 55782144

約数和(自身を除く): 27290894

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 991, 1150, 1250, 1982, 2875, 4955, 5750, 9910, 14375, 22793, 24775, 28750, 45586, 49550, 113965, 123875, 227930, 247750, 569825, 619375, 1139650, 1238750, 2849125, 5698250, 14245625, 28491250]

約数ペア:

[(1, 28491250), (2, 14245625), (5, 5698250), (10, 2849125), (23, 1238750), (25, 1139650), (46, 619375), (50, 569825), (115, 247750), (125, 227930), (230, 123875), (250, 113965), (575, 49550), (625, 45586), (991, 28750), (1150, 24775), (1250, 22793), (1982, 14375), (2875, 9910), (4955, 5750)]