56675320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108991}}^1$

素因数の和:109015

約数の個数: 32

約数和(自身を含む): 137329920

約数和(自身を除く): 80654600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108991, 217982, 435964, 544955, 871928, 1089910, 1416883, 2179820, 2833766, 4359640, 5667532, 7084415, 11335064, 14168830, 28337660, 56675320]

約数ペア:

[(1, 56675320), (2, 28337660), (4, 14168830), (5, 11335064), (8, 7084415), (10, 5667532), (13, 4359640), (20, 2833766), (26, 2179820), (40, 1416883), (52, 1089910), (65, 871928), (104, 544955), (130, 435964), (260, 217982), (520, 108991)]