40309620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51679}}^1$

素因数の和:51704

約数の個数: 48

約数和(自身を含む): 121551360

約数和(自身を除く): 81241740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51679, 103358, 155037, 206716, 258395, 310074, 516790, 620148, 671827, 775185, 1033580, 1343654, 1550370, 2015481, 2687308, 3100740, 3359135, 4030962, 6718270, 8061924, 10077405, 13436540, 20154810, 40309620]

約数ペア:

[(1, 40309620), (2, 20154810), (3, 13436540), (4, 10077405), (5, 8061924), (6, 6718270), (10, 4030962), (12, 3359135), (13, 3100740), (15, 2687308), (20, 2015481), (26, 1550370), (30, 1343654), (39, 1033580), (52, 775185), (60, 671827), (65, 620148), (78, 516790), (130, 310074), (156, 258395), (195, 206716), (260, 155037), (390, 103358), (780, 51679)]