6443560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3929}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 14855400

約数和(自身を除く): 8411840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 3929, 7858, 15716, 19645, 31432, 39290, 78580, 157160, 161089, 322178, 644356, 805445, 1288712, 1610890, 3221780, 6443560]

約数ペア:

[(1, 6443560), (2, 3221780), (4, 1610890), (5, 1288712), (8, 805445), (10, 644356), (20, 322178), (40, 161089), (41, 157160), (82, 78580), (164, 39290), (205, 31432), (328, 19645), (410, 15716), (820, 7858), (1640, 3929)]