56334440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 75753880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 248, 251, 310, 362, 502, 620, 724, 905, 1004, 1240, 1255, 1448, 1810, 2008, 2510, 3620, 5020, 5611, 7240, 7781, 10040, 11222, 15562, 22444, 28055, 31124, 38905, 44888, 45431, 56110, 62248, 77810, 90862, 112220, 155620, 181724, 224440, 227155, 311240, 363448, 454310, 908620, 1408361, 1817240, 2816722, 5633444, 7041805, 11266888, 14083610, 28167220, 56334440]

約数ペア:

[(1, 56334440), (2, 28167220), (4, 14083610), (5, 11266888), (8, 7041805), (10, 5633444), (20, 2816722), (31, 1817240), (40, 1408361), (62, 908620), (124, 454310), (155, 363448), (181, 311240), (248, 227155), (251, 224440), (310, 181724), (362, 155620), (502, 112220), (620, 90862), (724, 77810), (905, 62248), (1004, 56110), (1240, 45431), (1255, 44888), (1448, 38905), (1810, 31124), (2008, 28055), (2510, 22444), (3620, 15562), (5020, 11222), (5611, 10040), (7240, 7781)]