80227940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308569}}^1$

素因数の和:308591

約数の個数: 24

約数和(自身を含む): 181439160

約数和(自身を除く): 101211220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 308569, 617138, 1234276, 1542845, 3085690, 4011397, 6171380, 8022794, 16045588, 20056985, 40113970, 80227940]

約数ペア:

[(1, 80227940), (2, 40113970), (4, 20056985), (5, 16045588), (10, 8022794), (13, 6171380), (20, 4011397), (26, 3085690), (52, 1542845), (65, 1234276), (130, 617138), (260, 308569)]