7877740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 18275040

約数和(自身を除く): 10397300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 739, 820, 1066, 1478, 2132, 2665, 2956, 3695, 5330, 7390, 9607, 10660, 14780, 19214, 30299, 38428, 48035, 60598, 96070, 121196, 151495, 192140, 302990, 393887, 605980, 787774, 1575548, 1969435, 3938870, 7877740]

約数ペア:

[(1, 7877740), (2, 3938870), (4, 1969435), (5, 1575548), (10, 787774), (13, 605980), (20, 393887), (26, 302990), (41, 192140), (52, 151495), (65, 121196), (82, 96070), (130, 60598), (164, 48035), (205, 38428), (260, 30299), (410, 19214), (533, 14780), (739, 10660), (820, 9607), (1066, 7390), (1478, 5330), (2132, 3695), (2665, 2956)]