86995880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1367}}^1$

素因数の和:1458

約数の個数: 64

約数和(自身を含む): 205856640

約数和(自身を除く): 118860760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1367, 1480, 1591, 1720, 2734, 3182, 5468, 6364, 6835, 7955, 10936, 12728, 13670, 15910, 27340, 31820, 50579, 54680, 58781, 63640, 101158, 117562, 202316, 235124, 252895, 293905, 404632, 470248, 505790, 587810, 1011580, 1175620, 2023160, 2174897, 2351240, 4349794, 8699588, 10874485, 17399176, 21748970, 43497940, 86995880]

約数ペア:

[(1, 86995880), (2, 43497940), (4, 21748970), (5, 17399176), (8, 10874485), (10, 8699588), (20, 4349794), (37, 2351240), (40, 2174897), (43, 2023160), (74, 1175620), (86, 1011580), (148, 587810), (172, 505790), (185, 470248), (215, 404632), (296, 293905), (344, 252895), (370, 235124), (430, 202316), (740, 117562), (860, 101158), (1367, 63640), (1480, 58781), (1591, 54680), (1720, 50579), (2734, 31820), (3182, 27340), (5468, 15910), (6364, 13670), (6835, 12728), (7955, 10936)]