905668480

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21121}}^1$

素因数の和:21207

約数の個数: 64

約数和(自身を含む): 2197532880

約数和(自身を除く): 1291864400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 2144, 2680, 4288, 5360, 8576, 10720, 21121, 21440, 42242, 42880, 84484, 105605, 168968, 211210, 337936, 422420, 675872, 844840, 1351744, 1415107, 1689680, 2703488, 2830214, 3379360, 5660428, 6758720, 7075535, 11320856, 13517440, 14151070, 22641712, 28302140, 45283424, 56604280, 90566848, 113208560, 181133696, 226417120, 452834240, 905668480]

約数ペア:

[(1, 905668480), (2, 452834240), (4, 226417120), (5, 181133696), (8, 113208560), (10, 90566848), (16, 56604280), (20, 45283424), (32, 28302140), (40, 22641712), (64, 14151070), (67, 13517440), (80, 11320856), (128, 7075535), (134, 6758720), (160, 5660428), (268, 3379360), (320, 2830214), (335, 2703488), (536, 1689680), (640, 1415107), (670, 1351744), (1072, 844840), (1340, 675872), (2144, 422420), (2680, 337936), (4288, 211210), (5360, 168968), (8576, 105605), (10720, 84484), (21121, 42880), (21440, 42242)]