2854640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2099}}^1$

素因数の和:2129

約数の個数: 40

約数和(自身を含む): 7030800

約数和(自身を除く): 4176160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2099, 4198, 8396, 10495, 16792, 20990, 33584, 35683, 41980, 71366, 83960, 142732, 167920, 178415, 285464, 356830, 570928, 713660, 1427320, 2854640]

約数ペア:

[(1, 2854640), (2, 1427320), (4, 713660), (5, 570928), (8, 356830), (10, 285464), (16, 178415), (17, 167920), (20, 142732), (34, 83960), (40, 71366), (68, 41980), (80, 35683), (85, 33584), (136, 20990), (170, 16792), (272, 10495), (340, 8396), (680, 4198), (1360, 2099)]