153520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:133

約数の個数: 40

約数和(自身を含む): 379440

約数和(自身を除く): 225920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 152, 190, 202, 304, 380, 404, 505, 760, 808, 1010, 1520, 1616, 1919, 2020, 3838, 4040, 7676, 8080, 9595, 15352, 19190, 30704, 38380, 76760, 153520]

約数ペア:

[(1, 153520), (2, 76760), (4, 38380), (5, 30704), (8, 19190), (10, 15352), (16, 9595), (19, 8080), (20, 7676), (38, 4040), (40, 3838), (76, 2020), (80, 1919), (95, 1616), (101, 1520), (152, 1010), (190, 808), (202, 760), (304, 505), (380, 404)]