72329660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278191}}^1$

素因数の和:278213

約数の個数: 24

約数和(自身を含む): 163576896

約数和(自身を除く): 91247236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 278191, 556382, 1112764, 1390955, 2781910, 3616483, 5563820, 7232966, 14465932, 18082415, 36164830, 72329660]

約数ペア:

[(1, 72329660), (2, 36164830), (4, 18082415), (5, 14465932), (10, 7232966), (13, 5563820), (20, 3616483), (26, 2781910), (52, 1390955), (65, 1112764), (130, 556382), (260, 278191)]