71939720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{62017}}^1$

素因数の和:62057

約数の個数: 32

約数和(自身を含む): 167448600

約数和(自身を除く): 95508880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 62017, 124034, 248068, 310085, 496136, 620170, 1240340, 1798493, 2480680, 3596986, 7193972, 8992465, 14387944, 17984930, 35969860, 71939720]

約数ペア:

[(1, 71939720), (2, 35969860), (4, 17984930), (5, 14387944), (8, 8992465), (10, 7193972), (20, 3596986), (29, 2480680), (40, 1798493), (58, 1240340), (116, 620170), (145, 496136), (232, 310085), (290, 248068), (580, 124034), (1160, 62017)]