12658340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 15283420

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 359, 410, 430, 718, 820, 860, 1436, 1763, 1795, 3526, 3590, 7052, 7180, 8815, 14719, 15437, 17630, 29438, 30874, 35260, 58876, 61748, 73595, 77185, 147190, 154370, 294380, 308740, 632917, 1265834, 2531668, 3164585, 6329170, 12658340]

約数ペア:

[(1, 12658340), (2, 6329170), (4, 3164585), (5, 2531668), (10, 1265834), (20, 632917), (41, 308740), (43, 294380), (82, 154370), (86, 147190), (164, 77185), (172, 73595), (205, 61748), (215, 58876), (359, 35260), (410, 30874), (430, 29438), (718, 17630), (820, 15437), (860, 14719), (1436, 8815), (1763, 7180), (1795, 7052), (3526, 3590)]