80907985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 107089920

約数和(自身を除く): 26181935

約数列:

[1, 5, 19, 31, 83, 95, 155, 331, 415, 589, 1577, 1655, 2573, 2945, 6289, 7885, 10261, 12865, 27473, 31445, 48887, 51305, 137365, 194959, 244435, 521987, 851663, 974795, 2609935, 4258315, 16181597, 80907985]

約数ペア:

[(1, 80907985), (5, 16181597), (19, 4258315), (31, 2609935), (83, 974795), (95, 851663), (155, 521987), (331, 244435), (415, 194959), (589, 137365), (1577, 51305), (1655, 48887), (2573, 31445), (2945, 27473), (6289, 12865), (7885, 10261)]