40137920

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2977

約数の個数: 56

約数和(自身を含む): 97834704

約数和(自身を除く): 57696784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 2917, 3440, 5834, 6880, 11668, 13760, 14585, 23336, 29170, 46672, 58340, 93344, 116680, 125431, 186688, 233360, 250862, 466720, 501724, 627155, 933440, 1003448, 1254310, 2006896, 2508620, 4013792, 5017240, 8027584, 10034480, 20068960, 40137920]

約数ペア:

[(1, 40137920), (2, 20068960), (4, 10034480), (5, 8027584), (8, 5017240), (10, 4013792), (16, 2508620), (20, 2006896), (32, 1254310), (40, 1003448), (43, 933440), (64, 627155), (80, 501724), (86, 466720), (160, 250862), (172, 233360), (215, 186688), (320, 125431), (344, 116680), (430, 93344), (688, 58340), (860, 46672), (1376, 29170), (1720, 23336), (2752, 14585), (2917, 13760), (3440, 11668), (5834, 6880)]