3975980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3259}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 8489040

約数和(自身を除く): 4513060

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3259, 6518, 13036, 16295, 32590, 65180, 198799, 397598, 795196, 993995, 1987990, 3975980]

約数ペア:

[(1, 3975980), (2, 1987990), (4, 993995), (5, 795196), (10, 397598), (20, 198799), (61, 65180), (122, 32590), (244, 16295), (305, 13036), (610, 6518), (1220, 3259)]