12869420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 28582848

約数和(自身を除く): 15713428

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 277, 404, 460, 505, 554, 1010, 1108, 1385, 2020, 2323, 2770, 4646, 5540, 6371, 9292, 11615, 12742, 23230, 25484, 27977, 31855, 46460, 55954, 63710, 111908, 127420, 139885, 279770, 559540, 643471, 1286942, 2573884, 3217355, 6434710, 12869420]

約数ペア:

[(1, 12869420), (2, 6434710), (4, 3217355), (5, 2573884), (10, 1286942), (20, 643471), (23, 559540), (46, 279770), (92, 139885), (101, 127420), (115, 111908), (202, 63710), (230, 55954), (277, 46460), (404, 31855), (460, 27977), (505, 25484), (554, 23230), (1010, 12742), (1108, 11615), (1385, 9292), (2020, 6371), (2323, 5540), (2770, 4646)]