201491120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{58573}}^1$

素因数の和:58629

約数の個数: 40

約数和(自身を含む): 479369616

約数和(自身を除く): 277878496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 58573, 117146, 234292, 292865, 468584, 585730, 937168, 1171460, 2342920, 2518639, 4685840, 5037278, 10074556, 12593195, 20149112, 25186390, 40298224, 50372780, 100745560, 201491120]

約数ペア:

[(1, 201491120), (2, 100745560), (4, 50372780), (5, 40298224), (8, 25186390), (10, 20149112), (16, 12593195), (20, 10074556), (40, 5037278), (43, 4685840), (80, 2518639), (86, 2342920), (172, 1171460), (215, 937168), (344, 585730), (430, 468584), (688, 292865), (860, 234292), (1720, 117146), (3440, 58573)]