26938640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 39057136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 191, 205, 215, 328, 344, 382, 410, 430, 656, 688, 764, 820, 860, 955, 1528, 1640, 1720, 1763, 1910, 3056, 3280, 3440, 3526, 3820, 7052, 7640, 7831, 8213, 8815, 14104, 15280, 15662, 16426, 17630, 28208, 31324, 32852, 35260, 39155, 41065, 62648, 65704, 70520, 78310, 82130, 125296, 131408, 141040, 156620, 164260, 313240, 328520, 336733, 626480, 657040, 673466, 1346932, 1683665, 2693864, 3367330, 5387728, 6734660, 13469320, 26938640]

約数ペア:

[(1, 26938640), (2, 13469320), (4, 6734660), (5, 5387728), (8, 3367330), (10, 2693864), (16, 1683665), (20, 1346932), (40, 673466), (41, 657040), (43, 626480), (80, 336733), (82, 328520), (86, 313240), (164, 164260), (172, 156620), (191, 141040), (205, 131408), (215, 125296), (328, 82130), (344, 78310), (382, 70520), (410, 65704), (430, 62648), (656, 41065), (688, 39155), (764, 35260), (820, 32852), (860, 31324), (955, 28208), (1528, 17630), (1640, 16426), (1720, 15662), (1763, 15280), (1910, 14104), (3056, 8815), (3280, 8213), (3440, 7831), (3526, 7640), (3820, 7052)]