42848440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6823}}^1$

素因数の和:6991

約数の個数: 32

約数和(自身を含む): 97037280

約数和(自身を除く): 54188840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 6823, 13646, 27292, 34115, 54584, 68230, 136460, 272920, 1071211, 2142422, 4284844, 5356055, 8569688, 10712110, 21424220, 42848440]

約数ペア:

[(1, 42848440), (2, 21424220), (4, 10712110), (5, 8569688), (8, 5356055), (10, 4284844), (20, 2142422), (40, 1071211), (157, 272920), (314, 136460), (628, 68230), (785, 54584), (1256, 34115), (1570, 27292), (3140, 13646), (6280, 6823)]