255226660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{11827}}^1$

素因数の和:11932

約数の個数: 48

約数和(自身を含む): 584208576

約数和(自身を除く): 328981916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 4316, 5395, 10790, 11827, 21580, 23654, 47308, 59135, 118270, 153751, 236540, 307502, 615004, 768755, 981641, 1537510, 1963282, 3075020, 3926564, 4908205, 9816410, 12761333, 19632820, 25522666, 51045332, 63806665, 127613330, 255226660]

約数ペア:

[(1, 255226660), (2, 127613330), (4, 63806665), (5, 51045332), (10, 25522666), (13, 19632820), (20, 12761333), (26, 9816410), (52, 4908205), (65, 3926564), (83, 3075020), (130, 1963282), (166, 1537510), (260, 981641), (332, 768755), (415, 615004), (830, 307502), (1079, 236540), (1660, 153751), (2158, 118270), (4316, 59135), (5395, 47308), (10790, 23654), (11827, 21580)]