83720390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 171460800

約数和(自身を除く): 87740410

約数列:

[1, 2, 5, 10, 13, 26, 29, 53, 58, 65, 106, 130, 145, 265, 290, 377, 419, 530, 689, 754, 838, 1378, 1537, 1885, 2095, 3074, 3445, 3770, 4190, 5447, 6890, 7685, 10894, 12151, 15370, 19981, 22207, 24302, 27235, 39962, 44414, 54470, 60755, 99905, 111035, 121510, 157963, 199810, 222070, 288691, 315926, 577382, 644003, 789815, 1288006, 1443455, 1579630, 2886910, 3220015, 6440030, 8372039, 16744078, 41860195, 83720390]

約数ペア:

[(1, 83720390), (2, 41860195), (5, 16744078), (10, 8372039), (13, 6440030), (26, 3220015), (29, 2886910), (53, 1579630), (58, 1443455), (65, 1288006), (106, 789815), (130, 644003), (145, 577382), (265, 315926), (290, 288691), (377, 222070), (419, 199810), (530, 157963), (689, 121510), (754, 111035), (838, 99905), (1378, 60755), (1537, 54470), (1885, 44414), (2095, 39962), (3074, 27235), (3445, 24302), (3770, 22207), (4190, 19981), (5447, 15370), (6890, 12151), (7685, 10894)]