8889001280

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{646003}}^1$

素因数の和:646063

約数の個数: 56

約数和(自身を含む): 21659222112

約数和(自身を除く): 12770220832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 646003, 1292006, 2584012, 3230015, 5168024, 6460030, 10336048, 12920060, 20672096, 25840120, 27778129, 41344192, 51680240, 55556258, 103360480, 111112516, 138890645, 206720960, 222225032, 277781290, 444450064, 555562580, 888900128, 1111125160, 1777800256, 2222250320, 4444500640, 8889001280]

約数ペア:

[(1, 8889001280), (2, 4444500640), (4, 2222250320), (5, 1777800256), (8, 1111125160), (10, 888900128), (16, 555562580), (20, 444450064), (32, 277781290), (40, 222225032), (43, 206720960), (64, 138890645), (80, 111112516), (86, 103360480), (160, 55556258), (172, 51680240), (215, 41344192), (320, 27778129), (344, 25840120), (430, 20672096), (688, 12920060), (860, 10336048), (1376, 6460030), (1720, 5168024), (2752, 3230015), (3440, 2584012), (6880, 1292006), (13760, 646003)]