165647960

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{8233}}^1$

素因数の和:8747

約数の個数: 32

約数和(自身を含む): 373494240

約数和(自身を除く): 207846280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 8233, 10060, 16466, 20120, 32932, 41165, 65864, 82330, 164660, 329320, 4141199, 8282398, 16564796, 20705995, 33129592, 41411990, 82823980, 165647960]

約数ペア:

[(1, 165647960), (2, 82823980), (4, 41411990), (5, 33129592), (8, 20705995), (10, 16564796), (20, 8282398), (40, 4141199), (503, 329320), (1006, 164660), (2012, 82330), (2515, 65864), (4024, 41165), (5030, 32932), (8233, 20120), (10060, 16466)]