2051235125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{12911}}^1$

素因数の和:12998

約数の個数: 32

約数和(自身を含む): 2707181568

約数和(自身を除く): 655946443

約数列:

[1, 5, 25, 31, 41, 125, 155, 205, 775, 1025, 1271, 3875, 5125, 6355, 12911, 31775, 64555, 158875, 322775, 400241, 529351, 1613875, 2001205, 2646755, 10006025, 13233775, 16409881, 50030125, 66168875, 82049405, 410247025, 2051235125]

約数ペア:

[(1, 2051235125), (5, 410247025), (25, 82049405), (31, 66168875), (41, 50030125), (125, 16409881), (155, 13233775), (205, 10006025), (775, 2646755), (1025, 2001205), (1271, 1613875), (3875, 529351), (5125, 400241), (6355, 322775), (12911, 158875), (31775, 64555)]