80900575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 124992000

約数和(自身を除く): 44091425

約数列:

[1, 5, 7, 19, 25, 29, 35, 95, 133, 145, 175, 203, 475, 551, 665, 725, 839, 1015, 2755, 3325, 3857, 4195, 5075, 5873, 13775, 15941, 19285, 20975, 24331, 29365, 79705, 96425, 111587, 121655, 146825, 170317, 398525, 462289, 557935, 608275, 851585, 2311445, 2789675, 3236023, 4257925, 11557225, 16180115, 80900575]

約数ペア:

[(1, 80900575), (5, 16180115), (7, 11557225), (19, 4257925), (25, 3236023), (29, 2789675), (35, 2311445), (95, 851585), (133, 608275), (145, 557935), (175, 462289), (203, 398525), (475, 170317), (551, 146825), (665, 121655), (725, 111587), (839, 96425), (1015, 79705), (2755, 29365), (3325, 24331), (3857, 20975), (4195, 19285), (5075, 15941), (5873, 13775)]