154887280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{18797}}^1$

素因数の和:18913

約数の個数: 40

約数和(自身を含む): 363628512

約数和(自身を除く): 208741232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 18797, 37594, 75188, 93985, 150376, 187970, 300752, 375940, 751880, 1503760, 1936091, 3872182, 7744364, 9680455, 15488728, 19360910, 30977456, 38721820, 77443640, 154887280]

約数ペア:

[(1, 154887280), (2, 77443640), (4, 38721820), (5, 30977456), (8, 19360910), (10, 15488728), (16, 9680455), (20, 7744364), (40, 3872182), (80, 1936091), (103, 1503760), (206, 751880), (412, 375940), (515, 300752), (824, 187970), (1030, 150376), (1648, 93985), (2060, 75188), (4120, 37594), (8240, 18797)]