12802400

素因数分解:

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

素因数の和:1264

約数の個数: 72

約数和(自身を含む): 33685344

約数和(自身を除く): 20882944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1231, 1300, 2080, 2462, 2600, 4924, 5200, 6155, 9848, 10400, 12310, 16003, 19696, 24620, 30775, 32006, 39392, 49240, 61550, 64012, 80015, 98480, 123100, 128024, 160030, 196960, 246200, 256048, 320060, 400075, 492400, 512096, 640120, 800150, 984800, 1280240, 1600300, 2560480, 3200600, 6401200, 12802400]

約数ペア:

[(1, 12802400), (2, 6401200), (4, 3200600), (5, 2560480), (8, 1600300), (10, 1280240), (13, 984800), (16, 800150), (20, 640120), (25, 512096), (26, 492400), (32, 400075), (40, 320060), (50, 256048), (52, 246200), (65, 196960), (80, 160030), (100, 128024), (104, 123100), (130, 98480), (160, 80015), (200, 64012), (208, 61550), (260, 49240), (325, 39392), (400, 32006), (416, 30775), (520, 24620), (650, 19696), (800, 16003), (1040, 12310), (1231, 10400), (1300, 9848), (2080, 6155), (2462, 5200), (2600, 4924)]