72631660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1291}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 159536160

約数和(自身を除く): 86904500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 290, 388, 485, 580, 970, 1291, 1940, 2582, 2813, 5164, 5626, 6455, 11252, 12910, 14065, 25820, 28130, 37439, 56260, 74878, 125227, 149756, 187195, 250454, 374390, 500908, 626135, 748780, 1252270, 2504540, 3631583, 7263166, 14526332, 18157915, 36315830, 72631660]

約数ペア:

[(1, 72631660), (2, 36315830), (4, 18157915), (5, 14526332), (10, 7263166), (20, 3631583), (29, 2504540), (58, 1252270), (97, 748780), (116, 626135), (145, 500908), (194, 374390), (290, 250454), (388, 187195), (485, 149756), (580, 125227), (970, 74878), (1291, 56260), (1940, 37439), (2582, 28130), (2813, 25820), (5164, 14065), (5626, 12910), (6455, 11252)]