63905020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 137295648

約数和(自身を除く): 73390628

約数列:

[1, 2, 4, 5, 10, 20, 83, 137, 166, 274, 281, 332, 415, 548, 562, 685, 830, 1124, 1370, 1405, 1660, 2740, 2810, 5620, 11371, 22742, 23323, 38497, 45484, 46646, 56855, 76994, 93292, 113710, 116615, 153988, 192485, 227420, 233230, 384970, 466460, 769940, 3195251, 6390502, 12781004, 15976255, 31952510, 63905020]

約数ペア:

[(1, 63905020), (2, 31952510), (4, 15976255), (5, 12781004), (10, 6390502), (20, 3195251), (83, 769940), (137, 466460), (166, 384970), (274, 233230), (281, 227420), (332, 192485), (415, 153988), (548, 116615), (562, 113710), (685, 93292), (830, 76994), (1124, 56855), (1370, 46646), (1405, 45484), (1660, 38497), (2740, 23323), (2810, 22742), (5620, 11371)]