129112880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124147}}^1$

素因数の和:124173

約数の個数: 40

約数和(自身を含む): 323281392

約数和(自身を除く): 194168512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 124147, 248294, 496588, 620735, 993176, 1241470, 1613911, 1986352, 2482940, 3227822, 4965880, 6455644, 8069555, 9931760, 12911288, 16139110, 25822576, 32278220, 64556440, 129112880]

約数ペア:

[(1, 129112880), (2, 64556440), (4, 32278220), (5, 25822576), (8, 16139110), (10, 12911288), (13, 9931760), (16, 8069555), (20, 6455644), (26, 4965880), (40, 3227822), (52, 2482940), (65, 1986352), (80, 1613911), (104, 1241470), (130, 993176), (208, 620735), (260, 496588), (520, 248294), (1040, 124147)]