155997680

素因数分解:

$2^4\times 5^1\times {\mathrm{929}}^1\times {\mathrm{2099}}^1$

素因数の和:3041

約数の個数: 40

約数和(自身を含む): 363258000

約数和(自身を除く): 207260320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 929, 1858, 2099, 3716, 4198, 4645, 7432, 8396, 9290, 10495, 14864, 16792, 18580, 20990, 33584, 37160, 41980, 74320, 83960, 167920, 1949971, 3899942, 7799884, 9749855, 15599768, 19499710, 31199536, 38999420, 77998840, 155997680]

約数ペア:

[(1, 155997680), (2, 77998840), (4, 38999420), (5, 31199536), (8, 19499710), (10, 15599768), (16, 9749855), (20, 7799884), (40, 3899942), (80, 1949971), (929, 167920), (1858, 83960), (2099, 74320), (3716, 41980), (4198, 37160), (4645, 33584), (7432, 20990), (8396, 18580), (9290, 16792), (10495, 14864)]