12540160

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 30647736

約数和(自身を除く): 18107576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 101, 128, 160, 194, 202, 256, 320, 388, 404, 485, 505, 640, 776, 808, 970, 1010, 1280, 1552, 1616, 1940, 2020, 3104, 3232, 3880, 4040, 6208, 6464, 7760, 8080, 9797, 12416, 12928, 15520, 16160, 19594, 24832, 25856, 31040, 32320, 39188, 48985, 62080, 64640, 78376, 97970, 124160, 129280, 156752, 195940, 313504, 391880, 627008, 783760, 1254016, 1567520, 2508032, 3135040, 6270080, 12540160]

約数ペア:

[(1, 12540160), (2, 6270080), (4, 3135040), (5, 2508032), (8, 1567520), (10, 1254016), (16, 783760), (20, 627008), (32, 391880), (40, 313504), (64, 195940), (80, 156752), (97, 129280), (101, 124160), (128, 97970), (160, 78376), (194, 64640), (202, 62080), (256, 48985), (320, 39188), (388, 32320), (404, 31040), (485, 25856), (505, 24832), (640, 19594), (776, 16160), (808, 15520), (970, 12928), (1010, 12416), (1280, 9797), (1552, 8080), (1616, 7760), (1940, 6464), (2020, 6208), (3104, 4040), (3232, 3880)]