12873740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 29756160

約数和(自身を除く): 16882420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 359, 652, 718, 815, 1436, 1630, 1793, 1795, 3260, 3586, 3590, 3949, 7172, 7180, 7898, 8965, 15796, 17930, 19745, 35860, 39490, 58517, 78980, 117034, 234068, 292585, 585170, 643687, 1170340, 1287374, 2574748, 3218435, 6436870, 12873740]

約数ペア:

[(1, 12873740), (2, 6436870), (4, 3218435), (5, 2574748), (10, 1287374), (11, 1170340), (20, 643687), (22, 585170), (44, 292585), (55, 234068), (110, 117034), (163, 78980), (220, 58517), (326, 39490), (359, 35860), (652, 19745), (718, 17930), (815, 15796), (1436, 8965), (1630, 7898), (1793, 7180), (1795, 7172), (3260, 3949), (3586, 3590)]