15837366980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1\times {\mathrm{20903}}^1$

素因数の和:21836

約数の個数: 48

約数和(自身を含む): 34072182144

約数和(自身を除く): 18234815164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 881, 1762, 3524, 4405, 8810, 17620, 20903, 37883, 41806, 75766, 83612, 104515, 151532, 189415, 209030, 378830, 418060, 757660, 898829, 1797658, 3595316, 4494145, 8988290, 17976580, 18415543, 36831086, 73662172, 92077715, 184155430, 368310860, 791868349, 1583736698, 3167473396, 3959341745, 7918683490, 15837366980]

約数ペア:

[(1, 15837366980), (2, 7918683490), (4, 3959341745), (5, 3167473396), (10, 1583736698), (20, 791868349), (43, 368310860), (86, 184155430), (172, 92077715), (215, 73662172), (430, 36831086), (860, 18415543), (881, 17976580), (1762, 8988290), (3524, 4494145), (4405, 3595316), (8810, 1797658), (17620, 898829), (20903, 757660), (37883, 418060), (41806, 378830), (75766, 209030), (83612, 189415), (104515, 151532)]