2640872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 5426400

約数和(自身を除く): 2785528

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 379, 536, 758, 871, 1516, 1742, 3032, 3484, 4927, 6968, 9854, 19708, 25393, 39416, 50786, 101572, 203144, 330109, 660218, 1320436, 2640872]

約数ペア:

[(1, 2640872), (2, 1320436), (4, 660218), (8, 330109), (13, 203144), (26, 101572), (52, 50786), (67, 39416), (104, 25393), (134, 19708), (268, 9854), (379, 6968), (536, 4927), (758, 3484), (871, 3032), (1516, 1742)]