78049660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{300191}}^1$

素因数の和:300213

約数の個数: 24

約数和(自身を含む): 176512896

約数和(自身を除く): 98463236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 300191, 600382, 1200764, 1500955, 3001910, 3902483, 6003820, 7804966, 15609932, 19512415, 39024830, 78049660]

約数ペア:

[(1, 78049660), (2, 39024830), (4, 19512415), (5, 15609932), (10, 7804966), (13, 6003820), (20, 3902483), (26, 3001910), (52, 1500955), (65, 1200764), (130, 600382), (260, 300191)]