13487660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 29937600

約数和(自身を除く): 16449940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 269, 436, 460, 538, 545, 1076, 1090, 1345, 2180, 2507, 2690, 5014, 5380, 6187, 10028, 12374, 12535, 24748, 25070, 29321, 30935, 50140, 58642, 61870, 117284, 123740, 146605, 293210, 586420, 674383, 1348766, 2697532, 3371915, 6743830, 13487660]

約数ペア:

[(1, 13487660), (2, 6743830), (4, 3371915), (5, 2697532), (10, 1348766), (20, 674383), (23, 586420), (46, 293210), (92, 146605), (109, 123740), (115, 117284), (218, 61870), (230, 58642), (269, 50140), (436, 30935), (460, 29321), (538, 25070), (545, 24748), (1076, 12535), (1090, 12374), (1345, 10028), (2180, 6187), (2507, 5380), (2690, 5014)]