326820080

素因数分解:

$2^4\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2539}}^1$

素因数の和:4161

約数の個数: 40

約数和(自身を含む): 760628400

約数和(自身を除く): 433808320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1609, 2539, 3218, 5078, 6436, 8045, 10156, 12695, 12872, 16090, 20312, 25390, 25744, 32180, 40624, 50780, 64360, 101560, 128720, 203120, 4085251, 8170502, 16341004, 20426255, 32682008, 40852510, 65364016, 81705020, 163410040, 326820080]

約数ペア:

[(1, 326820080), (2, 163410040), (4, 81705020), (5, 65364016), (8, 40852510), (10, 32682008), (16, 20426255), (20, 16341004), (40, 8170502), (80, 4085251), (1609, 203120), (2539, 128720), (3218, 101560), (5078, 64360), (6436, 50780), (8045, 40624), (10156, 32180), (12695, 25744), (12872, 25390), (16090, 20312)]