800485880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{274139}}^1$

素因数の和:274223

約数の個数: 32

約数和(自身を含む): 1825772400

約数和(自身を除く): 1025286520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 274139, 548278, 1096556, 1370695, 2193112, 2741390, 5482780, 10965560, 20012147, 40024294, 80048588, 100060735, 160097176, 200121470, 400242940, 800485880]

約数ペア:

[(1, 800485880), (2, 400242940), (4, 200121470), (5, 160097176), (8, 100060735), (10, 80048588), (20, 40024294), (40, 20012147), (73, 10965560), (146, 5482780), (292, 2741390), (365, 2193112), (584, 1370695), (730, 1096556), (1460, 548278), (2920, 274139)]