66816580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{115201}}^1$

素因数の和:115239

約数の個数: 24

約数和(自身を含む): 145154520

約数和(自身を除く): 78337940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 115201, 230402, 460804, 576005, 1152010, 2304020, 3340829, 6681658, 13363316, 16704145, 33408290, 66816580]

約数ペア:

[(1, 66816580), (2, 33408290), (4, 16704145), (5, 13363316), (10, 6681658), (20, 3340829), (29, 2304020), (58, 1152010), (116, 576005), (145, 460804), (290, 230402), (580, 115201)]