251094103640

素因数分解:

$2^3\times 5^1\times {\mathrm{13291}}^1\times {\mathrm{472301}}^1$

素因数の和:485603

約数の個数: 32

約数和(自身を含む): 565005436560

約数和(自身を除く): 313911332920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13291, 26582, 53164, 66455, 106328, 132910, 265820, 472301, 531640, 944602, 1889204, 2361505, 3778408, 4723010, 9446020, 18892040, 6277352591, 12554705182, 25109410364, 31386762955, 50218820728, 62773525910, 125547051820, 251094103640]

約数ペア:

[(1, 251094103640), (2, 125547051820), (4, 62773525910), (5, 50218820728), (8, 31386762955), (10, 25109410364), (20, 12554705182), (40, 6277352591), (13291, 18892040), (26582, 9446020), (53164, 4723010), (66455, 3778408), (106328, 2361505), (132910, 1889204), (265820, 944602), (472301, 531640)]