71311720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22567}}^1$

素因数の和:22657

約数の個数: 32

約数和(自身を含む): 162489600

約数和(自身を除く): 91177880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 22567, 45134, 90268, 112835, 180536, 225670, 451340, 902680, 1782793, 3565586, 7131172, 8913965, 14262344, 17827930, 35655860, 71311720]

約数ペア:

[(1, 71311720), (2, 35655860), (4, 17827930), (5, 14262344), (8, 8913965), (10, 7131172), (20, 3565586), (40, 1782793), (79, 902680), (158, 451340), (316, 225670), (395, 180536), (632, 112835), (790, 90268), (1580, 45134), (3160, 22567)]