71196920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17623}}^1$

素因数の和:17735

約数の個数: 32

約数和(自身を含む): 161788320

約数和(自身を除く): 90591400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 17623, 35246, 70492, 88115, 140984, 176230, 352460, 704920, 1779923, 3559846, 7119692, 8899615, 14239384, 17799230, 35598460, 71196920]

約数ペア:

[(1, 71196920), (2, 35598460), (4, 17799230), (5, 14239384), (8, 8899615), (10, 7119692), (20, 3559846), (40, 1779923), (101, 704920), (202, 352460), (404, 176230), (505, 140984), (808, 88115), (1010, 70492), (2020, 35246), (4040, 17623)]