53789020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{563}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 120240288

約数和(自身を除く): 66451268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 281, 340, 562, 563, 1124, 1126, 1405, 2252, 2810, 2815, 4777, 5620, 5630, 9554, 9571, 11260, 19108, 19142, 23885, 38284, 47770, 47855, 95540, 95710, 158203, 191420, 316406, 632812, 791015, 1582030, 2689451, 3164060, 5378902, 10757804, 13447255, 26894510, 53789020]

約数ペア:

[(1, 53789020), (2, 26894510), (4, 13447255), (5, 10757804), (10, 5378902), (17, 3164060), (20, 2689451), (34, 1582030), (68, 791015), (85, 632812), (170, 316406), (281, 191420), (340, 158203), (562, 95710), (563, 95540), (1124, 47855), (1126, 47770), (1405, 38284), (2252, 23885), (2810, 19142), (2815, 19108), (4777, 11260), (5620, 9571), (5630, 9554)]