51220740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19853}}^1$

素因数の和:19908

約数の個数: 48

約数和(自身を含む): 146760768

約数和(自身を除く): 95540028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 19853, 39706, 59559, 79412, 99265, 119118, 198530, 238236, 297795, 397060, 595590, 853679, 1191180, 1707358, 2561037, 3414716, 4268395, 5122074, 8536790, 10244148, 12805185, 17073580, 25610370, 51220740]

約数ペア:

[(1, 51220740), (2, 25610370), (3, 17073580), (4, 12805185), (5, 10244148), (6, 8536790), (10, 5122074), (12, 4268395), (15, 3414716), (20, 2561037), (30, 1707358), (43, 1191180), (60, 853679), (86, 595590), (129, 397060), (172, 297795), (215, 238236), (258, 198530), (430, 119118), (516, 99265), (645, 79412), (860, 59559), (1290, 39706), (2580, 19853)]