12139460

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1063}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 25561536

約数和(自身を除く): 13422076

約数列:

[1, 2, 4, 5, 10, 20, 571, 1063, 1142, 2126, 2284, 2855, 4252, 5315, 5710, 10630, 11420, 21260, 606973, 1213946, 2427892, 3034865, 6069730, 12139460]

約数ペア:

[(1, 12139460), (2, 6069730), (4, 3034865), (5, 2427892), (10, 1213946), (20, 606973), (571, 21260), (1063, 11420), (1142, 10630), (2126, 5710), (2284, 5315), (2855, 4252)]