20142160

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3449}}^1$

素因数の和:3535

約数の個数: 40

約数和(自身を含む): 47485800

約数和(自身を除く): 27343640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3449, 5840, 6898, 13796, 17245, 27592, 34490, 55184, 68980, 137960, 251777, 275920, 503554, 1007108, 1258885, 2014216, 2517770, 4028432, 5035540, 10071080, 20142160]

約数ペア:

[(1, 20142160), (2, 10071080), (4, 5035540), (5, 4028432), (8, 2517770), (10, 2014216), (16, 1258885), (20, 1007108), (40, 503554), (73, 275920), (80, 251777), (146, 137960), (292, 68980), (365, 55184), (584, 34490), (730, 27592), (1168, 17245), (1460, 13796), (2920, 6898), (3449, 5840)]