12040120

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1663}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 27256320

約数和(自身を除く): 15216200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1663, 1810, 3326, 3620, 6652, 7240, 8315, 13304, 16630, 33260, 66520, 301003, 602006, 1204012, 1505015, 2408024, 3010030, 6020060, 12040120]

約数ペア:

[(1, 12040120), (2, 6020060), (4, 3010030), (5, 2408024), (8, 1505015), (10, 1204012), (20, 602006), (40, 301003), (181, 66520), (362, 33260), (724, 16630), (905, 13304), (1448, 8315), (1663, 7240), (1810, 6652), (3326, 3620)]