71935820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4139}}^1$

素因数の和:4238

約数の個数: 48

約数和(自身を含む): 166924800

約数和(自身を除く): 94988980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4139, 4345, 8278, 8690, 16556, 17380, 20695, 41390, 45529, 82780, 91058, 182116, 227645, 326981, 455290, 653962, 910580, 1307924, 1634905, 3269810, 3596791, 6539620, 7193582, 14387164, 17983955, 35967910, 71935820]

約数ペア:

[(1, 71935820), (2, 35967910), (4, 17983955), (5, 14387164), (10, 7193582), (11, 6539620), (20, 3596791), (22, 3269810), (44, 1634905), (55, 1307924), (79, 910580), (110, 653962), (158, 455290), (220, 326981), (316, 227645), (395, 182116), (790, 91058), (869, 82780), (1580, 45529), (1738, 41390), (3476, 20695), (4139, 17380), (4345, 16556), (8278, 8690)]