83689580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 189971040

約数和(自身を除く): 106281460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 787, 818, 1574, 1636, 2045, 3148, 3935, 4090, 5317, 7870, 8180, 10231, 10634, 15740, 20462, 21268, 26585, 40924, 51155, 53170, 102310, 106340, 204620, 321883, 643766, 1287532, 1609415, 3218830, 4184479, 6437660, 8368958, 16737916, 20922395, 41844790, 83689580]

約数ペア:

[(1, 83689580), (2, 41844790), (4, 20922395), (5, 16737916), (10, 8368958), (13, 6437660), (20, 4184479), (26, 3218830), (52, 1609415), (65, 1287532), (130, 643766), (260, 321883), (409, 204620), (787, 106340), (818, 102310), (1574, 53170), (1636, 51155), (2045, 40924), (3148, 26585), (3935, 21268), (4090, 20462), (5317, 15740), (7870, 10634), (8180, 10231)]