25738840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 61248960

約数和(自身を除く): 35510120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 101, 115, 184, 202, 230, 277, 404, 460, 505, 554, 808, 920, 1010, 1108, 1385, 2020, 2216, 2323, 2770, 4040, 4646, 5540, 6371, 9292, 11080, 11615, 12742, 18584, 23230, 25484, 27977, 31855, 46460, 50968, 55954, 63710, 92920, 111908, 127420, 139885, 223816, 254840, 279770, 559540, 643471, 1119080, 1286942, 2573884, 3217355, 5147768, 6434710, 12869420, 25738840]

約数ペア:

[(1, 25738840), (2, 12869420), (4, 6434710), (5, 5147768), (8, 3217355), (10, 2573884), (20, 1286942), (23, 1119080), (40, 643471), (46, 559540), (92, 279770), (101, 254840), (115, 223816), (184, 139885), (202, 127420), (230, 111908), (277, 92920), (404, 63710), (460, 55954), (505, 50968), (554, 46460), (808, 31855), (920, 27977), (1010, 25484), (1108, 23230), (1385, 18584), (2020, 12742), (2216, 11615), (2323, 11080), (2770, 9292), (4040, 6371), (4646, 5540)]