80468320

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3671}}^1$

素因数の和:3823

約数の個数: 48

約数和(自身を含む): 191546208

約数和(自身を除く): 111077888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 3671, 4384, 5480, 7342, 10960, 14684, 18355, 21920, 29368, 36710, 58736, 73420, 117472, 146840, 293680, 502927, 587360, 1005854, 2011708, 2514635, 4023416, 5029270, 8046832, 10058540, 16093664, 20117080, 40234160, 80468320]

約数ペア:

[(1, 80468320), (2, 40234160), (4, 20117080), (5, 16093664), (8, 10058540), (10, 8046832), (16, 5029270), (20, 4023416), (32, 2514635), (40, 2011708), (80, 1005854), (137, 587360), (160, 502927), (274, 293680), (548, 146840), (685, 117472), (1096, 73420), (1370, 58736), (2192, 36710), (2740, 29368), (3671, 21920), (4384, 18355), (5480, 14684), (7342, 10960)]