20128450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{761}}^1$

素因数の和:819

約数の個数: 36

約数和(自身を含む): 39188898

約数和(自身を除く): 19060448

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 529, 575, 761, 1058, 1150, 1522, 2645, 3805, 5290, 7610, 13225, 17503, 19025, 26450, 35006, 38050, 87515, 175030, 402569, 437575, 805138, 875150, 2012845, 4025690, 10064225, 20128450]

約数ペア:

[(1, 20128450), (2, 10064225), (5, 4025690), (10, 2012845), (23, 875150), (25, 805138), (46, 437575), (50, 402569), (115, 175030), (230, 87515), (529, 38050), (575, 35006), (761, 26450), (1058, 19025), (1150, 17503), (1522, 13225), (2645, 7610), (3805, 5290)]