4874480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 12603360

約数和(自身を除く): 7728880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 109, 130, 172, 208, 215, 218, 260, 344, 430, 436, 520, 545, 559, 688, 860, 872, 1040, 1090, 1118, 1417, 1720, 1744, 2180, 2236, 2795, 2834, 3440, 4360, 4472, 4687, 5590, 5668, 7085, 8720, 8944, 9374, 11180, 11336, 14170, 18748, 22360, 22672, 23435, 28340, 37496, 44720, 46870, 56680, 60931, 74992, 93740, 113360, 121862, 187480, 243724, 304655, 374960, 487448, 609310, 974896, 1218620, 2437240, 4874480]

約数ペア:

[(1, 4874480), (2, 2437240), (4, 1218620), (5, 974896), (8, 609310), (10, 487448), (13, 374960), (16, 304655), (20, 243724), (26, 187480), (40, 121862), (43, 113360), (52, 93740), (65, 74992), (80, 60931), (86, 56680), (104, 46870), (109, 44720), (130, 37496), (172, 28340), (208, 23435), (215, 22672), (218, 22360), (260, 18748), (344, 14170), (430, 11336), (436, 11180), (520, 9374), (545, 8944), (559, 8720), (688, 7085), (860, 5668), (872, 5590), (1040, 4687), (1090, 4472), (1118, 4360), (1417, 3440), (1720, 2834), (1744, 2795), (2180, 2236)]