4912640

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 12521520

約数和(自身を除く): 7608880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 101, 128, 152, 160, 190, 202, 256, 304, 320, 380, 404, 505, 512, 608, 640, 760, 808, 1010, 1216, 1280, 1520, 1616, 1919, 2020, 2432, 2560, 3040, 3232, 3838, 4040, 4864, 6080, 6464, 7676, 8080, 9595, 9728, 12160, 12928, 15352, 16160, 19190, 24320, 25856, 30704, 32320, 38380, 48640, 51712, 61408, 64640, 76760, 122816, 129280, 153520, 245632, 258560, 307040, 491264, 614080, 982528, 1228160, 2456320, 4912640]

約数ペア:

[(1, 4912640), (2, 2456320), (4, 1228160), (5, 982528), (8, 614080), (10, 491264), (16, 307040), (19, 258560), (20, 245632), (32, 153520), (38, 129280), (40, 122816), (64, 76760), (76, 64640), (80, 61408), (95, 51712), (101, 48640), (128, 38380), (152, 32320), (160, 30704), (190, 25856), (202, 24320), (256, 19190), (304, 16160), (320, 15352), (380, 12928), (404, 12160), (505, 9728), (512, 9595), (608, 8080), (640, 7676), (760, 6464), (808, 6080), (1010, 4864), (1216, 4040), (1280, 3838), (1520, 3232), (1616, 3040), (1919, 2560), (2020, 2432)]