25430168

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 51276480

約数和(自身を除く): 25846312

約数列:

[1, 2, 4, 8, 31, 41, 61, 62, 82, 122, 124, 164, 244, 248, 328, 488, 1271, 1681, 1891, 2501, 2542, 3362, 3782, 5002, 5084, 6724, 7564, 10004, 10168, 13448, 15128, 20008, 52111, 77531, 102541, 104222, 155062, 205082, 208444, 310124, 410164, 416888, 620248, 820328, 3178771, 6357542, 12715084, 25430168]

約数ペア:

[(1, 25430168), (2, 12715084), (4, 6357542), (8, 3178771), (31, 820328), (41, 620248), (61, 416888), (62, 410164), (82, 310124), (122, 208444), (124, 205082), (164, 155062), (244, 104222), (248, 102541), (328, 77531), (488, 52111), (1271, 20008), (1681, 15128), (1891, 13448), (2501, 10168), (2542, 10004), (3362, 7564), (3782, 6724), (5002, 5084)]