201205420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{773867}}^1$

素因数の和:773889

約数の個数: 24

約数和(自身を含む): 455034384

約数和(自身を除く): 253828964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 773867, 1547734, 3095468, 3869335, 7738670, 10060271, 15477340, 20120542, 40241084, 50301355, 100602710, 201205420]

約数ペア:

[(1, 201205420), (2, 100602710), (4, 50301355), (5, 40241084), (10, 20120542), (13, 15477340), (20, 10060271), (26, 7738670), (52, 3869335), (65, 3095468), (130, 1547734), (260, 773867)]