2019872080

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{427939}}^1$

素因数の和:428011

約数の個数: 40

約数和(自身を含む): 4775810400

約数和(自身を除く): 2755938320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 427939, 855878, 1711756, 2139695, 3423512, 4279390, 6847024, 8558780, 17117560, 25248401, 34235120, 50496802, 100993604, 126242005, 201987208, 252484010, 403974416, 504968020, 1009936040, 2019872080]

約数ペア:

[(1, 2019872080), (2, 1009936040), (4, 504968020), (5, 403974416), (8, 252484010), (10, 201987208), (16, 126242005), (20, 100993604), (40, 50496802), (59, 34235120), (80, 25248401), (118, 17117560), (236, 8558780), (295, 6847024), (472, 4279390), (590, 3423512), (944, 2139695), (1180, 1711756), (2360, 855878), (4720, 427939)]