31969660

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1613}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 67245696

約数和(自身を除く): 35276036

約数列:

[1, 2, 4, 5, 10, 20, 991, 1613, 1982, 3226, 3964, 4955, 6452, 8065, 9910, 16130, 19820, 32260, 1598483, 3196966, 6393932, 7992415, 15984830, 31969660]

約数ペア:

[(1, 31969660), (2, 15984830), (4, 7992415), (5, 6393932), (10, 3196966), (20, 1598483), (991, 32260), (1613, 19820), (1982, 16130), (3226, 9910), (3964, 8065), (4955, 6452)]