13265320

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{613}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 29950920

約数和(自身を除く): 16685600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 613, 1082, 1226, 2164, 2452, 2705, 3065, 4328, 4904, 5410, 6130, 10820, 12260, 21640, 24520, 331633, 663266, 1326532, 1658165, 2653064, 3316330, 6632660, 13265320]

約数ペア:

[(1, 13265320), (2, 6632660), (4, 3316330), (5, 2653064), (8, 1658165), (10, 1326532), (20, 663266), (40, 331633), (541, 24520), (613, 21640), (1082, 12260), (1226, 10820), (2164, 6130), (2452, 5410), (2705, 4904), (3065, 4328)]