20190351320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{17891}}^1$

素因数の和:18308

約数の個数: 64

約数和(自身を含む): 46086213600

約数和(自身を除く): 25895862280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 317, 356, 445, 634, 712, 890, 1268, 1585, 1780, 2536, 3170, 3560, 6340, 12680, 17891, 28213, 35782, 56426, 71564, 89455, 112852, 141065, 143128, 178910, 225704, 282130, 357820, 564260, 715640, 1128520, 1592299, 3184598, 5671447, 6369196, 7961495, 11342894, 12738392, 15922990, 22685788, 28357235, 31845980, 45371576, 56714470, 63691960, 113428940, 226857880, 504758783, 1009517566, 2019035132, 2523793915, 4038070264, 5047587830, 10095175660, 20190351320]

約数ペア:

[(1, 20190351320), (2, 10095175660), (4, 5047587830), (5, 4038070264), (8, 2523793915), (10, 2019035132), (20, 1009517566), (40, 504758783), (89, 226857880), (178, 113428940), (317, 63691960), (356, 56714470), (445, 45371576), (634, 31845980), (712, 28357235), (890, 22685788), (1268, 15922990), (1585, 12738392), (1780, 11342894), (2536, 7961495), (3170, 6369196), (3560, 5671447), (6340, 3184598), (12680, 1592299), (17891, 1128520), (28213, 715640), (35782, 564260), (56426, 357820), (71564, 282130), (89455, 225704), (112852, 178910), (141065, 143128)]