130645840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{125621}}^1$

素因数の和:125647

約数の個数: 40

約数和(自身を含む): 327119688

約数和(自身を除く): 196473848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 125621, 251242, 502484, 628105, 1004968, 1256210, 1633073, 2009936, 2512420, 3266146, 5024840, 6532292, 8165365, 10049680, 13064584, 16330730, 26129168, 32661460, 65322920, 130645840]

約数ペア:

[(1, 130645840), (2, 65322920), (4, 32661460), (5, 26129168), (8, 16330730), (10, 13064584), (13, 10049680), (16, 8165365), (20, 6532292), (26, 5024840), (40, 3266146), (52, 2512420), (65, 2009936), (80, 1633073), (104, 1256210), (130, 1004968), (208, 628105), (260, 502484), (520, 251242), (1040, 125621)]