78026800

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2011}}^1$

素因数の和:2126

約数の個数: 60

約数和(自身を含む): 189486136

約数和(自身を除く): 111459336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 776, 970, 1552, 1940, 2011, 2425, 3880, 4022, 4850, 7760, 8044, 9700, 10055, 16088, 19400, 20110, 32176, 38800, 40220, 50275, 80440, 100550, 160880, 195067, 201100, 390134, 402200, 780268, 804400, 975335, 1560536, 1950670, 3121072, 3901340, 4876675, 7802680, 9753350, 15605360, 19506700, 39013400, 78026800]

約数ペア:

[(1, 78026800), (2, 39013400), (4, 19506700), (5, 15605360), (8, 9753350), (10, 7802680), (16, 4876675), (20, 3901340), (25, 3121072), (40, 1950670), (50, 1560536), (80, 975335), (97, 804400), (100, 780268), (194, 402200), (200, 390134), (388, 201100), (400, 195067), (485, 160880), (776, 100550), (970, 80440), (1552, 50275), (1940, 40220), (2011, 38800), (2425, 32176), (3880, 20110), (4022, 19400), (4850, 16088), (7760, 10055), (8044, 9700)]