72899320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140191}}^1$

素因数の和:140215

約数の個数: 32

約数和(自身を含む): 176641920

約数和(自身を除く): 103742600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 140191, 280382, 560764, 700955, 1121528, 1401910, 1822483, 2803820, 3644966, 5607640, 7289932, 9112415, 14579864, 18224830, 36449660, 72899320]

約数ペア:

[(1, 72899320), (2, 36449660), (4, 18224830), (5, 14579864), (8, 9112415), (10, 7289932), (13, 5607640), (20, 3644966), (26, 2803820), (40, 1822483), (52, 1401910), (65, 1121528), (104, 700955), (130, 560764), (260, 280382), (520, 140191)]