25475120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28949}}^1$

素因数の和:28973

約数の個数: 40

約数和(自身を含む): 64616400

約数和(自身を除く): 39141280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28949, 57898, 115796, 144745, 231592, 289490, 318439, 463184, 578980, 636878, 1157960, 1273756, 1592195, 2315920, 2547512, 3184390, 5095024, 6368780, 12737560, 25475120]

約数ペア:

[(1, 25475120), (2, 12737560), (4, 6368780), (5, 5095024), (8, 3184390), (10, 2547512), (11, 2315920), (16, 1592195), (20, 1273756), (22, 1157960), (40, 636878), (44, 578980), (55, 463184), (80, 318439), (88, 289490), (110, 231592), (176, 144745), (220, 115796), (440, 57898), (880, 28949)]