9940120

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3709}}^1$

素因数の和:3787

約数の個数: 32

約数和(自身を含む): 22705200

約数和(自身を除く): 12765080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 3709, 7418, 14836, 18545, 29672, 37090, 74180, 148360, 248503, 497006, 994012, 1242515, 1988024, 2485030, 4970060, 9940120]

約数ペア:

[(1, 9940120), (2, 4970060), (4, 2485030), (5, 1988024), (8, 1242515), (10, 994012), (20, 497006), (40, 248503), (67, 148360), (134, 74180), (268, 37090), (335, 29672), (536, 18545), (670, 14836), (1340, 7418), (2680, 3709)]