23223440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 55631484

約数和(自身を除く): 32408044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 157, 172, 215, 314, 344, 430, 628, 688, 785, 860, 1256, 1570, 1720, 1849, 2512, 3140, 3440, 3698, 6280, 6751, 7396, 9245, 12560, 13502, 14792, 18490, 27004, 29584, 33755, 36980, 54008, 67510, 73960, 108016, 135020, 147920, 270040, 290293, 540080, 580586, 1161172, 1451465, 2322344, 2902930, 4644688, 5805860, 11611720, 23223440]

約数ペア:

[(1, 23223440), (2, 11611720), (4, 5805860), (5, 4644688), (8, 2902930), (10, 2322344), (16, 1451465), (20, 1161172), (40, 580586), (43, 540080), (80, 290293), (86, 270040), (157, 147920), (172, 135020), (215, 108016), (314, 73960), (344, 67510), (430, 54008), (628, 36980), (688, 33755), (785, 29584), (860, 27004), (1256, 18490), (1570, 14792), (1720, 13502), (1849, 12560), (2512, 9245), (3140, 7396), (3440, 6751), (3698, 6280)]