66711580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{677}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 151492320

約数和(自身を除く): 84780740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 677, 758, 1354, 1516, 1895, 2708, 3385, 3790, 4927, 6770, 7580, 8801, 9854, 13540, 17602, 19708, 24635, 35204, 44005, 49270, 88010, 98540, 176020, 256583, 513166, 1026332, 1282915, 2565830, 3335579, 5131660, 6671158, 13342316, 16677895, 33355790, 66711580]

約数ペア:

[(1, 66711580), (2, 33355790), (4, 16677895), (5, 13342316), (10, 6671158), (13, 5131660), (20, 3335579), (26, 2565830), (52, 1282915), (65, 1026332), (130, 513166), (260, 256583), (379, 176020), (677, 98540), (758, 88010), (1354, 49270), (1516, 44005), (1895, 35204), (2708, 24635), (3385, 19708), (3790, 17602), (4927, 13540), (6770, 9854), (7580, 8801)]