28002650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 57017184

約数和(自身を除く): 29014534

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 643, 650, 670, 871, 1286, 1675, 1742, 3215, 3350, 4355, 6430, 8359, 8710, 16075, 16718, 21775, 32150, 41795, 43081, 43550, 83590, 86162, 208975, 215405, 417950, 430810, 560053, 1077025, 1120106, 2154050, 2800265, 5600530, 14001325, 28002650]

約数ペア:

[(1, 28002650), (2, 14001325), (5, 5600530), (10, 2800265), (13, 2154050), (25, 1120106), (26, 1077025), (50, 560053), (65, 430810), (67, 417950), (130, 215405), (134, 208975), (325, 86162), (335, 83590), (643, 43550), (650, 43081), (670, 41795), (871, 32150), (1286, 21775), (1675, 16718), (1742, 16075), (3215, 8710), (3350, 8359), (4355, 6430)]