25105640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{12809}}^1$

素因数の和:12834

約数の個数: 48

約数和(自身を含む): 65715300

約数和(自身を除く): 40609660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 12809, 25618, 51236, 64045, 89663, 102472, 128090, 179326, 256180, 358652, 448315, 512360, 627641, 717304, 896630, 1255282, 1793260, 2510564, 3138205, 3586520, 5021128, 6276410, 12552820, 25105640]

約数ペア:

[(1, 25105640), (2, 12552820), (4, 6276410), (5, 5021128), (7, 3586520), (8, 3138205), (10, 2510564), (14, 1793260), (20, 1255282), (28, 896630), (35, 717304), (40, 627641), (49, 512360), (56, 448315), (70, 358652), (98, 256180), (140, 179326), (196, 128090), (245, 102472), (280, 89663), (392, 64045), (490, 51236), (980, 25618), (1960, 12809)]