131506180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21991}}^1$

素因数の和:22036

約数の個数: 48

約数和(自身を含む): 310351104

約数和(自身を除く): 178844924

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 21991, 43982, 87964, 109955, 219910, 285883, 439820, 505793, 571766, 1011586, 1143532, 1429415, 2023172, 2528965, 2858830, 5057930, 5717660, 6575309, 10115860, 13150618, 26301236, 32876545, 65753090, 131506180]

約数ペア:

[(1, 131506180), (2, 65753090), (4, 32876545), (5, 26301236), (10, 13150618), (13, 10115860), (20, 6575309), (23, 5717660), (26, 5057930), (46, 2858830), (52, 2528965), (65, 2023172), (92, 1429415), (115, 1143532), (130, 1011586), (230, 571766), (260, 505793), (299, 439820), (460, 285883), (598, 219910), (1196, 109955), (1495, 87964), (2990, 43982), (5980, 21991)]