20190148240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{21751}}^1$

素因数の和:22088

約数の個数: 80

約数和(自身を含む): 48259161216

約数和(自身を除く): 28069012976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 283, 328, 410, 566, 656, 820, 1132, 1415, 1640, 2264, 2830, 3280, 4528, 5660, 11320, 11603, 21751, 22640, 23206, 43502, 46412, 58015, 87004, 92824, 108755, 116030, 174008, 185648, 217510, 232060, 348016, 435020, 464120, 870040, 891791, 928240, 1740080, 1783582, 3567164, 4458955, 6155533, 7134328, 8917910, 12311066, 14268656, 17835820, 24622132, 30777665, 35671640, 49244264, 61555330, 71343280, 98488528, 123110660, 246221320, 252376853, 492442640, 504753706, 1009507412, 1261884265, 2019014824, 2523768530, 4038029648, 5047537060, 10095074120, 20190148240]

約数ペア:

[(1, 20190148240), (2, 10095074120), (4, 5047537060), (5, 4038029648), (8, 2523768530), (10, 2019014824), (16, 1261884265), (20, 1009507412), (40, 504753706), (41, 492442640), (80, 252376853), (82, 246221320), (164, 123110660), (205, 98488528), (283, 71343280), (328, 61555330), (410, 49244264), (566, 35671640), (656, 30777665), (820, 24622132), (1132, 17835820), (1415, 14268656), (1640, 12311066), (2264, 8917910), (2830, 7134328), (3280, 6155533), (4528, 4458955), (5660, 3567164), (11320, 1783582), (11603, 1740080), (21751, 928240), (22640, 891791), (23206, 870040), (43502, 464120), (46412, 435020), (58015, 348016), (87004, 232060), (92824, 217510), (108755, 185648), (116030, 174008)]