13285120

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 32450544

約数和(自身を除く): 19165424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 107, 128, 160, 194, 214, 256, 320, 388, 428, 485, 535, 640, 776, 856, 970, 1070, 1280, 1552, 1712, 1940, 2140, 3104, 3424, 3880, 4280, 6208, 6848, 7760, 8560, 10379, 12416, 13696, 15520, 17120, 20758, 24832, 27392, 31040, 34240, 41516, 51895, 62080, 68480, 83032, 103790, 124160, 136960, 166064, 207580, 332128, 415160, 664256, 830320, 1328512, 1660640, 2657024, 3321280, 6642560, 13285120]

約数ペア:

[(1, 13285120), (2, 6642560), (4, 3321280), (5, 2657024), (8, 1660640), (10, 1328512), (16, 830320), (20, 664256), (32, 415160), (40, 332128), (64, 207580), (80, 166064), (97, 136960), (107, 124160), (128, 103790), (160, 83032), (194, 68480), (214, 62080), (256, 51895), (320, 41516), (388, 34240), (428, 31040), (485, 27392), (535, 24832), (640, 20758), (776, 17120), (856, 15520), (970, 13696), (1070, 12416), (1280, 10379), (1552, 8560), (1712, 7760), (1940, 6848), (2140, 6208), (3104, 4280), (3424, 3880)]