20050250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 42861312

約数和(自身を除く): 22811062

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 125, 230, 250, 253, 275, 317, 506, 550, 575, 634, 1150, 1265, 1375, 1585, 2530, 2750, 2875, 3170, 3487, 5750, 6325, 6974, 7291, 7925, 12650, 14582, 15850, 17435, 31625, 34870, 36455, 39625, 63250, 72910, 79250, 80201, 87175, 160402, 174350, 182275, 364550, 401005, 435875, 802010, 871750, 911375, 1822750, 2005025, 4010050, 10025125, 20050250]

約数ペア:

[(1, 20050250), (2, 10025125), (5, 4010050), (10, 2005025), (11, 1822750), (22, 911375), (23, 871750), (25, 802010), (46, 435875), (50, 401005), (55, 364550), (110, 182275), (115, 174350), (125, 160402), (230, 87175), (250, 80201), (253, 79250), (275, 72910), (317, 63250), (506, 39625), (550, 36455), (575, 34870), (634, 31625), (1150, 17435), (1265, 15850), (1375, 14582), (1585, 12650), (2530, 7925), (2750, 7291), (2875, 6974), (3170, 6325), (3487, 5750)]