2018956640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293453}}^1$

素因数の和:293511

約数の個数: 48

約数和(自身を含む): 4880726928

約数和(自身を除く): 2861770288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 293453, 586906, 1173812, 1467265, 2347624, 2934530, 4695248, 5869060, 9390496, 11738120, 12618479, 23476240, 25236958, 46952480, 50473916, 63092395, 100947832, 126184790, 201895664, 252369580, 403791328, 504739160, 1009478320, 2018956640]

約数ペア:

[(1, 2018956640), (2, 1009478320), (4, 504739160), (5, 403791328), (8, 252369580), (10, 201895664), (16, 126184790), (20, 100947832), (32, 63092395), (40, 50473916), (43, 46952480), (80, 25236958), (86, 23476240), (160, 12618479), (172, 11738120), (215, 9390496), (344, 5869060), (430, 4695248), (688, 2934530), (860, 2347624), (1376, 1467265), (1720, 1173812), (3440, 586906), (6880, 293453)]