13203320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25391}}^1$

素因数の和:25415

約数の個数: 32

約数和(自身を含む): 31993920

約数和(自身を除く): 18790600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25391, 50782, 101564, 126955, 203128, 253910, 330083, 507820, 660166, 1015640, 1320332, 1650415, 2640664, 3300830, 6601660, 13203320]

約数ペア:

[(1, 13203320), (2, 6601660), (4, 3300830), (5, 2640664), (8, 1650415), (10, 1320332), (13, 1015640), (20, 660166), (26, 507820), (40, 330083), (52, 253910), (65, 203128), (104, 126955), (130, 101564), (260, 50782), (520, 25391)]