8887660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^2$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 19616688

約数和(自身を除く): 10729028

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 6394, 12788, 15985, 19321, 31970, 38642, 63940, 77284, 96605, 193210, 386420, 444383, 888766, 1777532, 2221915, 4443830, 8887660]

約数ペア:

[(1, 8887660), (2, 4443830), (4, 2221915), (5, 1777532), (10, 888766), (20, 444383), (23, 386420), (46, 193210), (92, 96605), (115, 77284), (139, 63940), (230, 38642), (278, 31970), (460, 19321), (556, 15985), (695, 12788), (1390, 6394), (2780, 3197)]