84340280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51427}}^1$

素因数の和:51479

約数の個数: 32

約数和(自身を含む): 194397840

約数和(自身を除く): 110057560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 51427, 102854, 205708, 257135, 411416, 514270, 1028540, 2057080, 2108507, 4217014, 8434028, 10542535, 16868056, 21085070, 42170140, 84340280]

約数ペア:

[(1, 84340280), (2, 42170140), (4, 21085070), (5, 16868056), (8, 10542535), (10, 8434028), (20, 4217014), (40, 2108507), (41, 2057080), (82, 1028540), (164, 514270), (205, 411416), (328, 257135), (410, 205708), (820, 102854), (1640, 51427)]