7813780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 18126864

約数和(自身を除く): 10313084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 733, 820, 1066, 1466, 2132, 2665, 2932, 3665, 5330, 7330, 9529, 10660, 14660, 19058, 30053, 38116, 47645, 60106, 95290, 120212, 150265, 190580, 300530, 390689, 601060, 781378, 1562756, 1953445, 3906890, 7813780]

約数ペア:

[(1, 7813780), (2, 3906890), (4, 1953445), (5, 1562756), (10, 781378), (13, 601060), (20, 390689), (26, 300530), (41, 190580), (52, 150265), (65, 120212), (82, 95290), (130, 60106), (164, 47645), (205, 38116), (260, 30053), (410, 19058), (533, 14660), (733, 10660), (820, 9529), (1066, 7330), (1466, 5330), (2132, 3665), (2665, 2932)]