542828780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{2543}}^1$

素因数の和:3386

約数の個数: 48

約数和(自身を含む): 1229606784

約数和(自身を除く): 686778004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 821, 1642, 2543, 3284, 4105, 5086, 8210, 10172, 10673, 12715, 16420, 21346, 25430, 33059, 42692, 50860, 53365, 66118, 106730, 132236, 165295, 213460, 330590, 661180, 2087803, 4175606, 8351212, 10439015, 20878030, 27141439, 41756060, 54282878, 108565756, 135707195, 271414390, 542828780]

約数ペア:

[(1, 542828780), (2, 271414390), (4, 135707195), (5, 108565756), (10, 54282878), (13, 41756060), (20, 27141439), (26, 20878030), (52, 10439015), (65, 8351212), (130, 4175606), (260, 2087803), (821, 661180), (1642, 330590), (2543, 213460), (3284, 165295), (4105, 132236), (5086, 106730), (8210, 66118), (10172, 53365), (10673, 50860), (12715, 42692), (16420, 33059), (21346, 25430)]