20228624320

素因数分解:

$2^6\times 5^1\times {\mathrm{809}}^1\times {\mathrm{78139}}^1$

素因数の和:78965

約数の個数: 56

約数和(自身を含む): 48229570800

約数和(自身を除く): 28000946480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 809, 1618, 3236, 4045, 6472, 8090, 12944, 16180, 25888, 32360, 51776, 64720, 78139, 129440, 156278, 258880, 312556, 390695, 625112, 781390, 1250224, 1562780, 2500448, 3125560, 5000896, 6251120, 12502240, 25004480, 63214451, 126428902, 252857804, 316072255, 505715608, 632144510, 1011431216, 1264289020, 2022862432, 2528578040, 4045724864, 5057156080, 10114312160, 20228624320]

約数ペア:

[(1, 20228624320), (2, 10114312160), (4, 5057156080), (5, 4045724864), (8, 2528578040), (10, 2022862432), (16, 1264289020), (20, 1011431216), (32, 632144510), (40, 505715608), (64, 316072255), (80, 252857804), (160, 126428902), (320, 63214451), (809, 25004480), (1618, 12502240), (3236, 6251120), (4045, 5000896), (6472, 3125560), (8090, 2500448), (12944, 1562780), (16180, 1250224), (25888, 781390), (32360, 625112), (51776, 390695), (64720, 312556), (78139, 258880), (129440, 156278)]