25475360

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:1893

約数の個数: 48

約数和(自身を含む): 60895800

約数和(自身を除く): 35420440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 1789, 2848, 3560, 3578, 7120, 7156, 8945, 14240, 14312, 17890, 28624, 35780, 57248, 71560, 143120, 159221, 286240, 318442, 636884, 796105, 1273768, 1592210, 2547536, 3184420, 5095072, 6368840, 12737680, 25475360]

約数ペア:

[(1, 25475360), (2, 12737680), (4, 6368840), (5, 5095072), (8, 3184420), (10, 2547536), (16, 1592210), (20, 1273768), (32, 796105), (40, 636884), (80, 318442), (89, 286240), (160, 159221), (178, 143120), (356, 71560), (445, 57248), (712, 35780), (890, 28624), (1424, 17890), (1780, 14312), (1789, 14240), (2848, 8945), (3560, 7156), (3578, 7120)]