811852280

素因数分解:

$2^3\times 5^1\times {\mathrm{5309}}^1\times {\mathrm{3823}}^1$

素因数の和:9143

約数の個数: 32

約数和(自身を含む): 1827489600

約数和(自身を除く): 1015637320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3823, 5309, 7646, 10618, 15292, 19115, 21236, 26545, 30584, 38230, 42472, 53090, 76460, 106180, 152920, 212360, 20296307, 40592614, 81185228, 101481535, 162370456, 202963070, 405926140, 811852280]

約数ペア:

[(1, 811852280), (2, 405926140), (4, 202963070), (5, 162370456), (8, 101481535), (10, 81185228), (20, 40592614), (40, 20296307), (3823, 212360), (5309, 152920), (7646, 106180), (10618, 76460), (15292, 53090), (19115, 42472), (21236, 38230), (26545, 30584)]