978732760

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{90289}}^1$

素因数の和:90571

約数の個数: 32

約数和(自身を含む): 2210299200

約数和(自身を除く): 1231566440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 90289, 180578, 361156, 451445, 722312, 902890, 1805780, 3611560, 24468319, 48936638, 97873276, 122341595, 195746552, 244683190, 489366380, 978732760]

約数ペア:

[(1, 978732760), (2, 489366380), (4, 244683190), (5, 195746552), (8, 122341595), (10, 97873276), (20, 48936638), (40, 24468319), (271, 3611560), (542, 1805780), (1084, 902890), (1355, 722312), (2168, 451445), (2710, 361156), (5420, 180578), (10840, 90289)]