80654320

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6037}}^1$

素因数の和:6217

約数の個数: 40

約数和(自身を含む): 188675424

約数和(自身を除く): 108021104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6037, 6680, 12074, 13360, 24148, 30185, 48296, 60370, 96592, 120740, 241480, 482960, 1008179, 2016358, 4032716, 5040895, 8065432, 10081790, 16130864, 20163580, 40327160, 80654320]

約数ペア:

[(1, 80654320), (2, 40327160), (4, 20163580), (5, 16130864), (8, 10081790), (10, 8065432), (16, 5040895), (20, 4032716), (40, 2016358), (80, 1008179), (167, 482960), (334, 241480), (668, 120740), (835, 96592), (1336, 60370), (1670, 48296), (2672, 30185), (3340, 24148), (6037, 13360), (6680, 12074)]