39512140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 85307040

約数和(自身を除く): 45794900

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 233, 244, 278, 305, 466, 556, 610, 695, 932, 1165, 1220, 1390, 2330, 2780, 4660, 8479, 14213, 16958, 28426, 32387, 33916, 42395, 56852, 64774, 71065, 84790, 129548, 142130, 161935, 169580, 284260, 323870, 647740, 1975607, 3951214, 7902428, 9878035, 19756070, 39512140]

約数ペア:

[(1, 39512140), (2, 19756070), (4, 9878035), (5, 7902428), (10, 3951214), (20, 1975607), (61, 647740), (122, 323870), (139, 284260), (233, 169580), (244, 161935), (278, 142130), (305, 129548), (466, 84790), (556, 71065), (610, 64774), (695, 56852), (932, 42395), (1165, 33916), (1220, 32387), (1390, 28426), (2330, 16958), (2780, 14213), (4660, 8479)]