31140940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91591}}^1$

素因数の和:91617

約数の個数: 24

約数和(自身を含む): 69243552

約数和(自身を除く): 38102612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91591, 183182, 366364, 457955, 915910, 1557047, 1831820, 3114094, 6228188, 7785235, 15570470, 31140940]

約数ペア:

[(1, 31140940), (2, 15570470), (4, 7785235), (5, 6228188), (10, 3114094), (17, 1831820), (20, 1557047), (34, 915910), (68, 457955), (85, 366364), (170, 183182), (340, 91591)]