5681780

素因数分解:

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

素因数の和:117

約数の個数: 54

約数和(自身を含む): 13242978

約数和(自身を除く): 7561198

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 169, 205, 260, 338, 410, 533, 676, 820, 845, 1066, 1681, 1690, 2132, 2665, 3362, 3380, 5330, 6724, 6929, 8405, 10660, 13858, 16810, 21853, 27716, 33620, 34645, 43706, 69290, 87412, 109265, 138580, 218530, 284089, 437060, 568178, 1136356, 1420445, 2840890, 5681780]

約数ペア:

[(1, 5681780), (2, 2840890), (4, 1420445), (5, 1136356), (10, 568178), (13, 437060), (20, 284089), (26, 218530), (41, 138580), (52, 109265), (65, 87412), (82, 69290), (130, 43706), (164, 34645), (169, 33620), (205, 27716), (260, 21853), (338, 16810), (410, 13858), (533, 10660), (676, 8405), (820, 6929), (845, 6724), (1066, 5330), (1681, 3380), (1690, 3362), (2132, 2665)]