3287960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6323}}^1$

素因数の和:6347

約数の個数: 32

約数和(自身を含む): 7968240

約数和(自身を除く): 4680280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 6323, 12646, 25292, 31615, 50584, 63230, 82199, 126460, 164398, 252920, 328796, 410995, 657592, 821990, 1643980, 3287960]

約数ペア:

[(1, 3287960), (2, 1643980), (4, 821990), (5, 657592), (8, 410995), (10, 328796), (13, 252920), (20, 164398), (26, 126460), (40, 82199), (52, 63230), (65, 50584), (104, 31615), (130, 25292), (260, 12646), (520, 6323)]