25387740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20149}}^1$

素因数の和:20171

約数の個数: 72

約数和(自身を含む): 88015200

約数和(自身を除く): 62627460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20149, 40298, 60447, 80596, 100745, 120894, 141043, 181341, 201490, 241788, 282086, 302235, 362682, 402980, 423129, 564172, 604470, 705215, 725364, 846258, 906705, 1208940, 1269387, 1410430, 1692516, 1813410, 2115645, 2538774, 2820860, 3626820, 4231290, 5077548, 6346935, 8462580, 12693870, 25387740]

約数ペア:

[(1, 25387740), (2, 12693870), (3, 8462580), (4, 6346935), (5, 5077548), (6, 4231290), (7, 3626820), (9, 2820860), (10, 2538774), (12, 2115645), (14, 1813410), (15, 1692516), (18, 1410430), (20, 1269387), (21, 1208940), (28, 906705), (30, 846258), (35, 725364), (36, 705215), (42, 604470), (45, 564172), (60, 423129), (63, 402980), (70, 362682), (84, 302235), (90, 282086), (105, 241788), (126, 201490), (140, 181341), (180, 141043), (210, 120894), (252, 100745), (315, 80596), (420, 60447), (630, 40298), (1260, 20149)]