25902880

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1669}}^1$

素因数の和:1781

約数の個数: 48

約数和(自身を含む): 61863480

約数和(自身を除く): 35960600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1669, 1940, 3104, 3338, 3880, 6676, 7760, 8345, 13352, 15520, 16690, 26704, 33380, 53408, 66760, 133520, 161893, 267040, 323786, 647572, 809465, 1295144, 1618930, 2590288, 3237860, 5180576, 6475720, 12951440, 25902880]

約数ペア:

[(1, 25902880), (2, 12951440), (4, 6475720), (5, 5180576), (8, 3237860), (10, 2590288), (16, 1618930), (20, 1295144), (32, 809465), (40, 647572), (80, 323786), (97, 267040), (160, 161893), (194, 133520), (388, 66760), (485, 53408), (776, 33380), (970, 26704), (1552, 16690), (1669, 15520), (1940, 13352), (3104, 8345), (3338, 7760), (3880, 6676)]