5120180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 11854080

約数和(自身を除く): 6733900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 419, 470, 611, 838, 940, 1222, 1676, 2095, 2444, 3055, 4190, 5447, 6110, 8380, 10894, 12220, 19693, 21788, 27235, 39386, 54470, 78772, 98465, 108940, 196930, 256009, 393860, 512018, 1024036, 1280045, 2560090, 5120180]

約数ペア:

[(1, 5120180), (2, 2560090), (4, 1280045), (5, 1024036), (10, 512018), (13, 393860), (20, 256009), (26, 196930), (47, 108940), (52, 98465), (65, 78772), (94, 54470), (130, 39386), (188, 27235), (235, 21788), (260, 19693), (419, 12220), (470, 10894), (611, 8380), (838, 6110), (940, 5447), (1222, 4190), (1676, 3055), (2095, 2444)]