79648520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{40637}}^1$

素因数の和:40662

約数の個数: 48

約数和(自身を含む): 208472940

約数和(自身を除く): 128824420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 40637, 81274, 162548, 203185, 284459, 325096, 406370, 568918, 812740, 1137836, 1422295, 1625480, 1991213, 2275672, 2844590, 3982426, 5689180, 7964852, 9956065, 11378360, 15929704, 19912130, 39824260, 79648520]

約数ペア:

[(1, 79648520), (2, 39824260), (4, 19912130), (5, 15929704), (7, 11378360), (8, 9956065), (10, 7964852), (14, 5689180), (20, 3982426), (28, 2844590), (35, 2275672), (40, 1991213), (49, 1625480), (56, 1422295), (70, 1137836), (98, 812740), (140, 568918), (196, 406370), (245, 325096), (280, 284459), (392, 203185), (490, 162548), (980, 81274), (1960, 40637)]