65031880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16097}}^1$

素因数の和:16209

約数の個数: 32

約数和(自身を含む): 147779640

約数和(自身を除く): 82747760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 16097, 32194, 64388, 80485, 128776, 160970, 321940, 643880, 1625797, 3251594, 6503188, 8128985, 13006376, 16257970, 32515940, 65031880]

約数ペア:

[(1, 65031880), (2, 32515940), (4, 16257970), (5, 13006376), (8, 8128985), (10, 6503188), (20, 3251594), (40, 1625797), (101, 643880), (202, 321940), (404, 160970), (505, 128776), (808, 80485), (1010, 64388), (2020, 32194), (4040, 16097)]