47857420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{14159}}^1$

素因数の和:14194

約数の個数: 36

約数和(自身を含む): 108833760

約数和(自身を除く): 60976340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 14159, 28318, 56636, 70795, 141590, 184067, 283180, 368134, 736268, 920335, 1840670, 2392871, 3681340, 4785742, 9571484, 11964355, 23928710, 47857420]

約数ペア:

[(1, 47857420), (2, 23928710), (4, 11964355), (5, 9571484), (10, 4785742), (13, 3681340), (20, 2392871), (26, 1840670), (52, 920335), (65, 736268), (130, 368134), (169, 283180), (260, 184067), (338, 141590), (676, 70795), (845, 56636), (1690, 28318), (3380, 14159)]