166814920

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{8291}}^1$

素因数の和:8805

約数の個数: 32

約数和(自身を含む): 376125120

約数和(自身を除く): 209310200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 8291, 10060, 16582, 20120, 33164, 41455, 66328, 82910, 165820, 331640, 4170373, 8340746, 16681492, 20851865, 33362984, 41703730, 83407460, 166814920]

約数ペア:

[(1, 166814920), (2, 83407460), (4, 41703730), (5, 33362984), (8, 20851865), (10, 16681492), (20, 8340746), (40, 4170373), (503, 331640), (1006, 165820), (2012, 82910), (2515, 66328), (4024, 41455), (5030, 33164), (8291, 20120), (10060, 16582)]