74147320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142591}}^1$

素因数の和:142615

約数の個数: 32

約数和(自身を含む): 179665920

約数和(自身を除く): 105518600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 142591, 285182, 570364, 712955, 1140728, 1425910, 1853683, 2851820, 3707366, 5703640, 7414732, 9268415, 14829464, 18536830, 37073660, 74147320]

約数ペア:

[(1, 74147320), (2, 37073660), (4, 18536830), (5, 14829464), (8, 9268415), (10, 7414732), (13, 5703640), (20, 3707366), (26, 2851820), (40, 1853683), (52, 1425910), (65, 1140728), (104, 712955), (130, 570364), (260, 285182), (520, 142591)]