84817720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12547}}^1$

素因数の和:12584

約数の個数: 48

約数和(自身を含む): 206665560

約数和(自身を除く): 121847840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 12547, 25094, 50188, 62735, 100376, 125470, 163111, 250940, 326222, 501880, 652444, 815555, 1304888, 1631110, 2120443, 3262220, 4240886, 6524440, 8481772, 10602215, 16963544, 21204430, 42408860, 84817720]

約数ペア:

[(1, 84817720), (2, 42408860), (4, 21204430), (5, 16963544), (8, 10602215), (10, 8481772), (13, 6524440), (20, 4240886), (26, 3262220), (40, 2120443), (52, 1631110), (65, 1304888), (104, 815555), (130, 652444), (169, 501880), (260, 326222), (338, 250940), (520, 163111), (676, 125470), (845, 100376), (1352, 62735), (1690, 50188), (3380, 25094), (6760, 12547)]