2560480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 6519744

約数和(自身を除く): 3959264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1231, 2080, 2462, 4924, 6155, 9848, 12310, 16003, 19696, 24620, 32006, 39392, 49240, 64012, 80015, 98480, 128024, 160030, 196960, 256048, 320060, 512096, 640120, 1280240, 2560480]

約数ペア:

[(1, 2560480), (2, 1280240), (4, 640120), (5, 512096), (8, 320060), (10, 256048), (13, 196960), (16, 160030), (20, 128024), (26, 98480), (32, 80015), (40, 64012), (52, 49240), (65, 39392), (80, 32006), (104, 24620), (130, 19696), (160, 16003), (208, 12310), (260, 9848), (416, 6155), (520, 4924), (1040, 2462), (1231, 2080)]