129468560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124489}}^1$

素因数の和:124515

約数の個数: 40

約数和(自身を含む): 324171960

約数和(自身を除く): 194703400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 124489, 248978, 497956, 622445, 995912, 1244890, 1618357, 1991824, 2489780, 3236714, 4979560, 6473428, 8091785, 9959120, 12946856, 16183570, 25893712, 32367140, 64734280, 129468560]

約数ペア:

[(1, 129468560), (2, 64734280), (4, 32367140), (5, 25893712), (8, 16183570), (10, 12946856), (13, 9959120), (16, 8091785), (20, 6473428), (26, 4979560), (40, 3236714), (52, 2489780), (65, 1991824), (80, 1618357), (104, 1244890), (130, 995912), (208, 622445), (260, 497956), (520, 248978), (1040, 124489)]