4280120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8231}}^1$

素因数の和:8255

約数の個数: 32

約数和(自身を含む): 10372320

約数和(自身を除く): 6092200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8231, 16462, 32924, 41155, 65848, 82310, 107003, 164620, 214006, 329240, 428012, 535015, 856024, 1070030, 2140060, 4280120]

約数ペア:

[(1, 4280120), (2, 2140060), (4, 1070030), (5, 856024), (8, 535015), (10, 428012), (13, 329240), (20, 214006), (26, 164620), (40, 107003), (52, 82310), (65, 65848), (104, 41155), (130, 32924), (260, 16462), (520, 8231)]