85945280

素因数分解:

$2^6\times 5^1\times {\mathrm{419}}^1\times {\mathrm{641}}^1$

素因数の和:1077

約数の個数: 56

約数和(自身を含む): 205465680

約数和(自身を除く): 119520400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 419, 641, 838, 1282, 1676, 2095, 2564, 3205, 3352, 4190, 5128, 6410, 6704, 8380, 10256, 12820, 13408, 16760, 20512, 25640, 26816, 33520, 41024, 51280, 67040, 102560, 134080, 205120, 268579, 537158, 1074316, 1342895, 2148632, 2685790, 4297264, 5371580, 8594528, 10743160, 17189056, 21486320, 42972640, 85945280]

約数ペア:

[(1, 85945280), (2, 42972640), (4, 21486320), (5, 17189056), (8, 10743160), (10, 8594528), (16, 5371580), (20, 4297264), (32, 2685790), (40, 2148632), (64, 1342895), (80, 1074316), (160, 537158), (320, 268579), (419, 205120), (641, 134080), (838, 102560), (1282, 67040), (1676, 51280), (2095, 41024), (2564, 33520), (3205, 26816), (3352, 25640), (4190, 20512), (5128, 16760), (6410, 13408), (6704, 12820), (8380, 10256)]