22200280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7817}}^1$

素因数の和:7899

約数の個数: 32

約数和(自身を含む): 50660640

約数和(自身を除く): 28460360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7817, 15634, 31268, 39085, 62536, 78170, 156340, 312680, 555007, 1110014, 2220028, 2775035, 4440056, 5550070, 11100140, 22200280]

約数ペア:

[(1, 22200280), (2, 11100140), (4, 5550070), (5, 4440056), (8, 2775035), (10, 2220028), (20, 1110014), (40, 555007), (71, 312680), (142, 156340), (284, 78170), (355, 62536), (568, 39085), (710, 31268), (1420, 15634), (2840, 7817)]