80353780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10657}}^1$

素因数の和:10708

約数の個数: 48

約数和(自身を含む): 188007120

約数和(自身を除く): 107653340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 10657, 21314, 42628, 53285, 106570, 138541, 213140, 277082, 309053, 554164, 618106, 692705, 1236212, 1385410, 1545265, 2770820, 3090530, 4017689, 6181060, 8035378, 16070756, 20088445, 40176890, 80353780]

約数ペア:

[(1, 80353780), (2, 40176890), (4, 20088445), (5, 16070756), (10, 8035378), (13, 6181060), (20, 4017689), (26, 3090530), (29, 2770820), (52, 1545265), (58, 1385410), (65, 1236212), (116, 692705), (130, 618106), (145, 554164), (260, 309053), (290, 277082), (377, 213140), (580, 138541), (754, 106570), (1508, 53285), (1885, 42628), (3770, 21314), (7540, 10657)]