90693880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 212192640

約数和(自身を除く): 121498760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 134, 172, 215, 268, 335, 344, 430, 536, 670, 787, 860, 1340, 1574, 1720, 2680, 2881, 3148, 3935, 5762, 6296, 7870, 11524, 14405, 15740, 23048, 28810, 31480, 33841, 52729, 57620, 67682, 105458, 115240, 135364, 169205, 210916, 263645, 270728, 338410, 421832, 527290, 676820, 1054580, 1353640, 2109160, 2267347, 4534694, 9069388, 11336735, 18138776, 22673470, 45346940, 90693880]

約数ペア:

[(1, 90693880), (2, 45346940), (4, 22673470), (5, 18138776), (8, 11336735), (10, 9069388), (20, 4534694), (40, 2267347), (43, 2109160), (67, 1353640), (86, 1054580), (134, 676820), (172, 527290), (215, 421832), (268, 338410), (335, 270728), (344, 263645), (430, 210916), (536, 169205), (670, 135364), (787, 115240), (860, 105458), (1340, 67682), (1574, 57620), (1720, 52729), (2680, 33841), (2881, 31480), (3148, 28810), (3935, 23048), (5762, 15740), (6296, 14405), (7870, 11524)]