61215460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{74653}}^1$

素因数の和:74703

約数の個数: 24

約数和(自身を含む): 131689656

約数和(自身を除く): 70474196

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 74653, 149306, 298612, 373265, 746530, 1493060, 3060773, 6121546, 12243092, 15303865, 30607730, 61215460]

約数ペア:

[(1, 61215460), (2, 30607730), (4, 15303865), (5, 12243092), (10, 6121546), (20, 3060773), (41, 1493060), (82, 746530), (164, 373265), (205, 298612), (410, 149306), (820, 74653)]