129262640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124291}}^1$

素因数の和:124317

約数の個数: 40

約数和(自身を含む): 323656368

約数和(自身を除く): 194393728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 124291, 248582, 497164, 621455, 994328, 1242910, 1615783, 1988656, 2485820, 3231566, 4971640, 6463132, 8078915, 9943280, 12926264, 16157830, 25852528, 32315660, 64631320, 129262640]

約数ペア:

[(1, 129262640), (2, 64631320), (4, 32315660), (5, 25852528), (8, 16157830), (10, 12926264), (13, 9943280), (16, 8078915), (20, 6463132), (26, 4971640), (40, 3231566), (52, 2485820), (65, 1988656), (80, 1615783), (104, 1242910), (130, 994328), (208, 621455), (260, 497164), (520, 248582), (1040, 124291)]