28467320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5351}}^1$

素因数の和:5388

約数の個数: 64

約数和(自身を含む): 77068800

約数和(自身を除く): 48601480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 5351, 10702, 21404, 26755, 37457, 42808, 53510, 74914, 101669, 107020, 149828, 187285, 203338, 214040, 299656, 374570, 406676, 508345, 711683, 749140, 813352, 1016690, 1423366, 1498280, 2033380, 2846732, 3558415, 4066760, 5693464, 7116830, 14233660, 28467320]

約数ペア:

[(1, 28467320), (2, 14233660), (4, 7116830), (5, 5693464), (7, 4066760), (8, 3558415), (10, 2846732), (14, 2033380), (19, 1498280), (20, 1423366), (28, 1016690), (35, 813352), (38, 749140), (40, 711683), (56, 508345), (70, 406676), (76, 374570), (95, 299656), (133, 214040), (140, 203338), (152, 187285), (190, 149828), (266, 107020), (280, 101669), (380, 74914), (532, 53510), (665, 42808), (760, 37457), (1064, 26755), (1330, 21404), (2660, 10702), (5320, 5351)]