12882520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 33465600

約数和(自身を除く): 20583080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 331, 556, 662, 695, 973, 1112, 1324, 1390, 1655, 1946, 2317, 2648, 2780, 3310, 3892, 4634, 4865, 5560, 6620, 7784, 9268, 9730, 11585, 13240, 18536, 19460, 23170, 38920, 46009, 46340, 92018, 92680, 184036, 230045, 322063, 368072, 460090, 644126, 920180, 1288252, 1610315, 1840360, 2576504, 3220630, 6441260, 12882520]

約数ペア:

[(1, 12882520), (2, 6441260), (4, 3220630), (5, 2576504), (7, 1840360), (8, 1610315), (10, 1288252), (14, 920180), (20, 644126), (28, 460090), (35, 368072), (40, 322063), (56, 230045), (70, 184036), (139, 92680), (140, 92018), (278, 46340), (280, 46009), (331, 38920), (556, 23170), (662, 19460), (695, 18536), (973, 13240), (1112, 11585), (1324, 9730), (1390, 9268), (1655, 7784), (1946, 6620), (2317, 5560), (2648, 4865), (2780, 4634), (3310, 3892)]