129221560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3709}}^1$

素因数の和:3800

約数の個数: 64

約数和(自身を含む): 317872800

約数和(自身を除く): 188651240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 3709, 4355, 6968, 7418, 8710, 14836, 17420, 18545, 29672, 34840, 37090, 48217, 74180, 96434, 148360, 192868, 241085, 248503, 385736, 482170, 497006, 964340, 994012, 1242515, 1928680, 1988024, 2485030, 3230539, 4970060, 6461078, 9940120, 12922156, 16152695, 25844312, 32305390, 64610780, 129221560]

約数ペア:

[(1, 129221560), (2, 64610780), (4, 32305390), (5, 25844312), (8, 16152695), (10, 12922156), (13, 9940120), (20, 6461078), (26, 4970060), (40, 3230539), (52, 2485030), (65, 1988024), (67, 1928680), (104, 1242515), (130, 994012), (134, 964340), (260, 497006), (268, 482170), (335, 385736), (520, 248503), (536, 241085), (670, 192868), (871, 148360), (1340, 96434), (1742, 74180), (2680, 48217), (3484, 37090), (3709, 34840), (4355, 29672), (6968, 18545), (7418, 17420), (8710, 14836)]