28098440

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3881}}^1$

素因数の和:4073

約数の個数: 32

約数和(自身を含む): 63587160

約数和(自身を除く): 35488720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 3881, 7240, 7762, 15524, 19405, 31048, 38810, 77620, 155240, 702461, 1404922, 2809844, 3512305, 5619688, 7024610, 14049220, 28098440]

約数ペア:

[(1, 28098440), (2, 14049220), (4, 7024610), (5, 5619688), (8, 3512305), (10, 2809844), (20, 1404922), (40, 702461), (181, 155240), (362, 77620), (724, 38810), (905, 31048), (1448, 19405), (1810, 15524), (3620, 7762), (3881, 7240)]