28915720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38047}}^1$

素因数の和:38077

約数の個数: 32

約数和(自身を含む): 68486400

約数和(自身を除く): 39570680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 38047, 76094, 152188, 190235, 304376, 380470, 722893, 760940, 1445786, 1521880, 2891572, 3614465, 5783144, 7228930, 14457860, 28915720]

約数ペア:

[(1, 28915720), (2, 14457860), (4, 7228930), (5, 5783144), (8, 3614465), (10, 2891572), (19, 1521880), (20, 1445786), (38, 760940), (40, 722893), (76, 380470), (95, 304376), (152, 190235), (190, 152188), (380, 76094), (760, 38047)]