125020220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1871}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 283989888

約数和(自身を除く): 158969668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 1871, 2570, 3341, 3742, 5140, 6682, 7484, 9355, 13364, 16705, 18710, 24323, 33410, 37420, 48646, 66820, 97292, 121615, 243230, 480847, 486460, 961694, 1923388, 2404235, 4808470, 6251011, 9616940, 12502022, 25004044, 31255055, 62510110, 125020220]

約数ペア:

[(1, 125020220), (2, 62510110), (4, 31255055), (5, 25004044), (10, 12502022), (13, 9616940), (20, 6251011), (26, 4808470), (52, 2404235), (65, 1923388), (130, 961694), (257, 486460), (260, 480847), (514, 243230), (1028, 121615), (1285, 97292), (1871, 66820), (2570, 48646), (3341, 37420), (3742, 33410), (5140, 24323), (6682, 18710), (7484, 16705), (9355, 13364)]