1661528360

素因数分解:

$2^3\times 5^1\times {\mathrm{6287}}^1\times {\mathrm{6607}}^1$

素因数の和:12905

約数の個数: 32

約数和(自身を含む): 3739599360

約数和(自身を除く): 2078071000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6287, 6607, 12574, 13214, 25148, 26428, 31435, 33035, 50296, 52856, 62870, 66070, 125740, 132140, 251480, 264280, 41538209, 83076418, 166152836, 207691045, 332305672, 415382090, 830764180, 1661528360]

約数ペア:

[(1, 1661528360), (2, 830764180), (4, 415382090), (5, 332305672), (8, 207691045), (10, 166152836), (20, 83076418), (40, 41538209), (6287, 264280), (6607, 251480), (12574, 132140), (13214, 125740), (25148, 66070), (26428, 62870), (31435, 52856), (33035, 50296)]