42731320

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1693}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 96354720

約数和(自身を除く): 53623400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 1693, 2524, 3155, 3386, 5048, 6310, 6772, 8465, 12620, 13544, 16930, 25240, 33860, 67720, 1068283, 2136566, 4273132, 5341415, 8546264, 10682830, 21365660, 42731320]

約数ペア:

[(1, 42731320), (2, 21365660), (4, 10682830), (5, 8546264), (8, 5341415), (10, 4273132), (20, 2136566), (40, 1068283), (631, 67720), (1262, 33860), (1693, 25240), (2524, 16930), (3155, 13544), (3386, 12620), (5048, 8465), (6310, 6772)]