8878840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3313}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 20281680

約数和(自身を除く): 11402840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 3313, 6626, 13252, 16565, 26504, 33130, 66260, 132520, 221971, 443942, 887884, 1109855, 1775768, 2219710, 4439420, 8878840]

約数ペア:

[(1, 8878840), (2, 4439420), (4, 2219710), (5, 1775768), (8, 1109855), (10, 887884), (20, 443942), (40, 221971), (67, 132520), (134, 66260), (268, 33130), (335, 26504), (536, 16565), (670, 13252), (1340, 6626), (2680, 3313)]