3929620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3291

約数の個数: 24

約数和(自身を含む): 8390088

約数和(自身を除く): 4460468

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3221, 6442, 12884, 16105, 32210, 64420, 196481, 392962, 785924, 982405, 1964810, 3929620]

約数ペア:

[(1, 3929620), (2, 1964810), (4, 982405), (5, 785924), (10, 392962), (20, 196481), (61, 64420), (122, 32210), (244, 16105), (305, 12884), (610, 6442), (1220, 3221)]