3128080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 7403544

約数和(自身を除く): 4275464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 641, 976, 1220, 1282, 2440, 2564, 3205, 4880, 5128, 6410, 10256, 12820, 25640, 39101, 51280, 78202, 156404, 195505, 312808, 391010, 625616, 782020, 1564040, 3128080]

約数ペア:

[(1, 3128080), (2, 1564040), (4, 782020), (5, 625616), (8, 391010), (10, 312808), (16, 195505), (20, 156404), (40, 78202), (61, 51280), (80, 39101), (122, 25640), (244, 12820), (305, 10256), (488, 6410), (610, 5128), (641, 4880), (976, 3205), (1220, 2564), (1282, 2440)]