51201820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 113873760

約数和(自身を除く): 62671940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2053, 2494, 4106, 4988, 6235, 8212, 10265, 12470, 20530, 24940, 41060, 59537, 88279, 119074, 176558, 238148, 297685, 353116, 441395, 595370, 882790, 1190740, 1765580, 2560091, 5120182, 10240364, 12800455, 25600910, 51201820]

約数ペア:

[(1, 51201820), (2, 25600910), (4, 12800455), (5, 10240364), (10, 5120182), (20, 2560091), (29, 1765580), (43, 1190740), (58, 882790), (86, 595370), (116, 441395), (145, 353116), (172, 297685), (215, 238148), (290, 176558), (430, 119074), (580, 88279), (860, 59537), (1247, 41060), (2053, 24940), (2494, 20530), (4106, 12470), (4988, 10265), (6235, 8212)]