160990180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1231}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 365105664

約数和(自身を除く): 204115484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 503, 1006, 1231, 2012, 2462, 2515, 4924, 5030, 6155, 6539, 10060, 12310, 13078, 16003, 24620, 26156, 32006, 32695, 64012, 65390, 80015, 130780, 160030, 320060, 619193, 1238386, 2476772, 3095965, 6191930, 8049509, 12383860, 16099018, 32198036, 40247545, 80495090, 160990180]

約数ペア:

[(1, 160990180), (2, 80495090), (4, 40247545), (5, 32198036), (10, 16099018), (13, 12383860), (20, 8049509), (26, 6191930), (52, 3095965), (65, 2476772), (130, 1238386), (260, 619193), (503, 320060), (1006, 160030), (1231, 130780), (2012, 80015), (2462, 65390), (2515, 64012), (4924, 32695), (5030, 32006), (6155, 26156), (6539, 24620), (10060, 16003), (12310, 13078)]