40254980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 90112176

約数和(自身を除く): 49857196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 601, 788, 985, 1202, 1970, 2404, 3005, 3349, 3940, 6010, 6698, 10217, 12020, 13396, 16745, 20434, 33490, 40868, 51085, 66980, 102170, 118397, 204340, 236794, 473588, 591985, 1183970, 2012749, 2367940, 4025498, 8050996, 10063745, 20127490, 40254980]

約数ペア:

[(1, 40254980), (2, 20127490), (4, 10063745), (5, 8050996), (10, 4025498), (17, 2367940), (20, 2012749), (34, 1183970), (68, 591985), (85, 473588), (170, 236794), (197, 204340), (340, 118397), (394, 102170), (601, 66980), (788, 51085), (985, 40868), (1202, 33490), (1970, 20434), (2404, 16745), (3005, 13396), (3349, 12020), (3940, 10217), (6010, 6698)]