25420328

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4079}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 51408000

約数和(自身を除く): 25987672

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 4079, 6232, 8158, 16316, 32632, 77501, 155002, 167239, 310004, 334478, 620008, 668956, 1337912, 3177541, 6355082, 12710164, 25420328]

約数ペア:

[(1, 25420328), (2, 12710164), (4, 6355082), (8, 3177541), (19, 1337912), (38, 668956), (41, 620008), (76, 334478), (82, 310004), (152, 167239), (164, 155002), (328, 77501), (779, 32632), (1558, 16316), (3116, 8158), (4079, 6232)]