22490680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 53978400

約数和(自身を除く): 31487720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 293, 380, 404, 505, 586, 760, 808, 1010, 1172, 1465, 1919, 2020, 2344, 2930, 3838, 4040, 5567, 5860, 7676, 9595, 11134, 11720, 15352, 19190, 22268, 27835, 29593, 38380, 44536, 55670, 59186, 76760, 111340, 118372, 147965, 222680, 236744, 295930, 562267, 591860, 1124534, 1183720, 2249068, 2811335, 4498136, 5622670, 11245340, 22490680]

約数ペア:

[(1, 22490680), (2, 11245340), (4, 5622670), (5, 4498136), (8, 2811335), (10, 2249068), (19, 1183720), (20, 1124534), (38, 591860), (40, 562267), (76, 295930), (95, 236744), (101, 222680), (152, 147965), (190, 118372), (202, 111340), (293, 76760), (380, 59186), (404, 55670), (505, 44536), (586, 38380), (760, 29593), (808, 27835), (1010, 22268), (1172, 19190), (1465, 15352), (1919, 11720), (2020, 11134), (2344, 9595), (2930, 7676), (3838, 5860), (4040, 5567)]