28961980

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2347}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 60944688

約数和(自身を除く): 31982708

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2347, 2468, 3085, 4694, 6170, 9388, 11735, 12340, 23470, 46940, 1448099, 2896198, 5792396, 7240495, 14480990, 28961980]

約数ペア:

[(1, 28961980), (2, 14480990), (4, 7240495), (5, 5792396), (10, 2896198), (20, 1448099), (617, 46940), (1234, 23470), (2347, 12340), (2468, 11735), (3085, 9388), (4694, 6170)]