130212920

素因数分解:

$2^3\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{2213}}^1$

素因数の和:3695

約数の個数: 32

約数和(自身を含む): 293310720

約数和(自身を除く): 163097800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1471, 2213, 2942, 4426, 5884, 7355, 8852, 11065, 11768, 14710, 17704, 22130, 29420, 44260, 58840, 88520, 3255323, 6510646, 13021292, 16276615, 26042584, 32553230, 65106460, 130212920]

約数ペア:

[(1, 130212920), (2, 65106460), (4, 32553230), (5, 26042584), (8, 16276615), (10, 13021292), (20, 6510646), (40, 3255323), (1471, 88520), (2213, 58840), (2942, 44260), (4426, 29420), (5884, 22130), (7355, 17704), (8852, 14710), (11065, 11768)]