42759440

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2953}}^1$

素因数の和:3147

約数の個数: 40

約数和(自身を含む): 99998808

約数和(自身を除く): 57239368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 2953, 3620, 5906, 7240, 11812, 14480, 14765, 23624, 29530, 47248, 59060, 118120, 236240, 534493, 1068986, 2137972, 2672465, 4275944, 5344930, 8551888, 10689860, 21379720, 42759440]

約数ペア:

[(1, 42759440), (2, 21379720), (4, 10689860), (5, 8551888), (8, 5344930), (10, 4275944), (16, 2672465), (20, 2137972), (40, 1068986), (80, 534493), (181, 236240), (362, 118120), (724, 59060), (905, 47248), (1448, 29530), (1810, 23624), (2896, 14765), (2953, 14480), (3620, 11812), (5906, 7240)]