201520016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{3529}}^1$

素因数の和:3663

約数の個数: 40

約数和(自身を含む): 404453280

約数和(自身を除く): 202933264

約数列:

[1, 2, 4, 8, 16, 43, 83, 86, 166, 172, 332, 344, 664, 688, 1328, 3529, 3569, 7058, 7138, 14116, 14276, 28232, 28552, 56464, 57104, 151747, 292907, 303494, 585814, 606988, 1171628, 1213976, 2343256, 2427952, 4686512, 12595001, 25190002, 50380004, 100760008, 201520016]

約数ペア:

[(1, 201520016), (2, 100760008), (4, 50380004), (8, 25190002), (16, 12595001), (43, 4686512), (83, 2427952), (86, 2343256), (166, 1213976), (172, 1171628), (332, 606988), (344, 585814), (664, 303494), (688, 292907), (1328, 151747), (3529, 57104), (3569, 56464), (7058, 28552), (7138, 28232), (14116, 14276)]