101632640

素因数分解:

$2^7\times 5^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 244188000

約数和(自身を除く): 142555360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 379, 419, 640, 758, 838, 1516, 1676, 1895, 2095, 3032, 3352, 3790, 4190, 6064, 6704, 7580, 8380, 12128, 13408, 15160, 16760, 24256, 26816, 30320, 33520, 48512, 53632, 60640, 67040, 121280, 134080, 158801, 242560, 268160, 317602, 635204, 794005, 1270408, 1588010, 2540816, 3176020, 5081632, 6352040, 10163264, 12704080, 20326528, 25408160, 50816320, 101632640]

約数ペア:

[(1, 101632640), (2, 50816320), (4, 25408160), (5, 20326528), (8, 12704080), (10, 10163264), (16, 6352040), (20, 5081632), (32, 3176020), (40, 2540816), (64, 1588010), (80, 1270408), (128, 794005), (160, 635204), (320, 317602), (379, 268160), (419, 242560), (640, 158801), (758, 134080), (838, 121280), (1516, 67040), (1676, 60640), (1895, 53632), (2095, 48512), (3032, 33520), (3352, 30320), (3790, 26816), (4190, 24256), (6064, 16760), (6704, 15160), (7580, 13408), (8380, 12128)]