795400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 1913940

約数和(自身を除く): 1118540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 97, 100, 164, 194, 200, 205, 328, 388, 410, 485, 776, 820, 970, 1025, 1640, 1940, 2050, 2425, 3880, 3977, 4100, 4850, 7954, 8200, 9700, 15908, 19400, 19885, 31816, 39770, 79540, 99425, 159080, 198850, 397700, 795400]

約数ペア:

[(1, 795400), (2, 397700), (4, 198850), (5, 159080), (8, 99425), (10, 79540), (20, 39770), (25, 31816), (40, 19885), (41, 19400), (50, 15908), (82, 9700), (97, 8200), (100, 7954), (164, 4850), (194, 4100), (200, 3977), (205, 3880), (328, 2425), (388, 2050), (410, 1940), (485, 1640), (776, 1025), (820, 970)]