71251760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52391}}^1$

素因数の和:52421

約数の個数: 40

約数和(自身を含む): 175408416

約数和(自身を除く): 104156656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 52391, 104782, 209564, 261955, 419128, 523910, 838256, 890647, 1047820, 1781294, 2095640, 3562588, 4191280, 4453235, 7125176, 8906470, 14250352, 17812940, 35625880, 71251760]

約数ペア:

[(1, 71251760), (2, 35625880), (4, 17812940), (5, 14250352), (8, 8906470), (10, 7125176), (16, 4453235), (17, 4191280), (20, 3562588), (34, 2095640), (40, 1781294), (68, 1047820), (80, 890647), (85, 838256), (136, 523910), (170, 419128), (272, 261955), (340, 209564), (680, 104782), (1360, 52391)]