26389240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16091}}^1$

素因数の和:16143

約数の個数: 32

約数和(自身を含む): 60827760

約数和(自身を除く): 34438520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16091, 32182, 64364, 80455, 128728, 160910, 321820, 643640, 659731, 1319462, 2638924, 3298655, 5277848, 6597310, 13194620, 26389240]

約数ペア:

[(1, 26389240), (2, 13194620), (4, 6597310), (5, 5277848), (8, 3298655), (10, 2638924), (20, 1319462), (40, 659731), (41, 643640), (82, 321820), (164, 160910), (205, 128728), (328, 80455), (410, 64364), (820, 32182), (1640, 16091)]