15419120

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1987}}^1$

素因数の和:2097

約数の個数: 40

約数和(自身を含む): 36237264

約数和(自身を除く): 20818144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 1987, 3880, 3974, 7760, 7948, 9935, 15896, 19870, 31792, 39740, 79480, 158960, 192739, 385478, 770956, 963695, 1541912, 1927390, 3083824, 3854780, 7709560, 15419120]

約数ペア:

[(1, 15419120), (2, 7709560), (4, 3854780), (5, 3083824), (8, 1927390), (10, 1541912), (16, 963695), (20, 770956), (40, 385478), (80, 192739), (97, 158960), (194, 79480), (388, 39740), (485, 31792), (776, 19870), (970, 15896), (1552, 9935), (1940, 7948), (1987, 7760), (3880, 3974)]