71724890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 131777280

約数和(自身を除く): 60052390

約数列:

[1, 2, 5, 10, 79, 158, 163, 326, 395, 557, 790, 815, 1114, 1630, 2785, 5570, 12877, 25754, 44003, 64385, 88006, 90791, 128770, 181582, 220015, 440030, 453955, 907910, 7172489, 14344978, 35862445, 71724890]

約数ペア:

[(1, 71724890), (2, 35862445), (5, 14344978), (10, 7172489), (79, 907910), (158, 453955), (163, 440030), (326, 220015), (395, 181582), (557, 128770), (790, 90791), (815, 88006), (1114, 64385), (1630, 44003), (2785, 25754), (5570, 12877)]