16117940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 20194252

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 947, 1702, 1894, 3404, 3788, 4255, 4735, 8510, 9470, 17020, 18940, 21781, 35039, 43562, 70078, 87124, 108905, 140156, 175195, 217810, 350390, 435620, 700780, 805897, 1611794, 3223588, 4029485, 8058970, 16117940]

約数ペア:

[(1, 16117940), (2, 8058970), (4, 4029485), (5, 3223588), (10, 1611794), (20, 805897), (23, 700780), (37, 435620), (46, 350390), (74, 217810), (92, 175195), (115, 140156), (148, 108905), (185, 87124), (230, 70078), (370, 43562), (460, 35039), (740, 21781), (851, 18940), (947, 17020), (1702, 9470), (1894, 8510), (3404, 4735), (3788, 4255)]