42117500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 60

約数和(自身を含む): 97618752

約数和(自身を除く): 55501252

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 850, 991, 1250, 1700, 1982, 2125, 2500, 3964, 4250, 4955, 8500, 9910, 10625, 16847, 19820, 21250, 24775, 33694, 42500, 49550, 67388, 84235, 99100, 123875, 168470, 247750, 336940, 421175, 495500, 619375, 842350, 1238750, 1684700, 2105875, 2477500, 4211750, 8423500, 10529375, 21058750, 42117500]

約数ペア:

[(1, 42117500), (2, 21058750), (4, 10529375), (5, 8423500), (10, 4211750), (17, 2477500), (20, 2105875), (25, 1684700), (34, 1238750), (50, 842350), (68, 619375), (85, 495500), (100, 421175), (125, 336940), (170, 247750), (250, 168470), (340, 123875), (425, 99100), (500, 84235), (625, 67388), (850, 49550), (991, 42500), (1250, 33694), (1700, 24775), (1982, 21250), (2125, 19820), (2500, 16847), (3964, 10625), (4250, 9910), (4955, 8500)]