368654320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{47507}}^1$

素因数の和:47617

約数の個数: 40

約数和(自身を含む): 865975824

約数和(自身を除く): 497321504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 47507, 95014, 190028, 237535, 380056, 475070, 760112, 950140, 1900280, 3800560, 4608179, 9216358, 18432716, 23040895, 36865432, 46081790, 73730864, 92163580, 184327160, 368654320]

約数ペア:

[(1, 368654320), (2, 184327160), (4, 92163580), (5, 73730864), (8, 46081790), (10, 36865432), (16, 23040895), (20, 18432716), (40, 9216358), (80, 4608179), (97, 3800560), (194, 1900280), (388, 950140), (485, 760112), (776, 475070), (970, 380056), (1552, 237535), (1940, 190028), (3880, 95014), (7760, 47507)]