221346640

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{4051}}^1$

素因数の和:4747

約数の個数: 40

約数和(自身を含む): 515511648

約数和(自身を除く): 294165008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 1366, 2732, 3415, 4051, 5464, 6830, 8102, 10928, 13660, 16204, 20255, 27320, 32408, 40510, 54640, 64816, 81020, 162040, 324080, 2766833, 5533666, 11067332, 13834165, 22134664, 27668330, 44269328, 55336660, 110673320, 221346640]

約数ペア:

[(1, 221346640), (2, 110673320), (4, 55336660), (5, 44269328), (8, 27668330), (10, 22134664), (16, 13834165), (20, 11067332), (40, 5533666), (80, 2766833), (683, 324080), (1366, 162040), (2732, 81020), (3415, 64816), (4051, 54640), (5464, 40510), (6830, 32408), (8102, 27320), (10928, 20255), (13660, 16204)]