68206520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{17579}}^1$

素因数の和:17687

約数の個数: 32

約数和(自身を含む): 155055600

約数和(自身を除く): 86849080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 17579, 35158, 70316, 87895, 140632, 175790, 351580, 703160, 1705163, 3410326, 6820652, 8525815, 13641304, 17051630, 34103260, 68206520]

約数ペア:

[(1, 68206520), (2, 34103260), (4, 17051630), (5, 13641304), (8, 8525815), (10, 6820652), (20, 3410326), (40, 1705163), (97, 703160), (194, 351580), (388, 175790), (485, 140632), (776, 87895), (970, 70316), (1940, 35158), (3880, 17579)]