25354980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20123}}^1$

素因数の和:20145

約数の個数: 72

約数和(自身を含む): 87901632

約数和(自身を除く): 62546652

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, 20123, 40246, 60369, 80492, 100615, 120738, 140861, 181107, 201230, 241476, 281722, 301845, 362214, 402460, 422583, 563444, 603690, 704305, 724428, 845166, 905535, 1207380, 1267749, 1408610, 1690332, 1811070, 2112915, 2535498, 2817220, 3622140, 4225830, 5070996, 6338745, 8451660, 12677490, 25354980]

約数ペア:

[(1, 25354980), (2, 12677490), (3, 8451660), (4, 6338745), (5, 5070996), (6, 4225830), (7, 3622140), (9, 2817220), (10, 2535498), (12, 2112915), (14, 1811070), (15, 1690332), (18, 1408610), (20, 1267749), (21, 1207380), (28, 905535), (30, 845166), (35, 724428), (36, 704305), (42, 603690), (45, 563444), (60, 422583), (63, 402460), (70, 362214), (84, 301845), (90, 281722), (105, 241476), (126, 201230), (140, 181107), (180, 140861), (210, 120738), (252, 100615), (315, 80492), (420, 60369), (630, 40246), (1260, 20123)]