28804400

素因数分解:

$2^4\times 5^2\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:798

約数の個数: 60

約数和(自身を含む): 69953112

約数和(自身を除く): 41148712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 200, 214, 400, 428, 535, 673, 856, 1070, 1346, 1712, 2140, 2675, 2692, 3365, 4280, 5350, 5384, 6730, 8560, 10700, 10768, 13460, 16825, 21400, 26920, 33650, 42800, 53840, 67300, 72011, 134600, 144022, 269200, 288044, 360055, 576088, 720110, 1152176, 1440220, 1800275, 2880440, 3600550, 5760880, 7201100, 14402200, 28804400]

約数ペア:

[(1, 28804400), (2, 14402200), (4, 7201100), (5, 5760880), (8, 3600550), (10, 2880440), (16, 1800275), (20, 1440220), (25, 1152176), (40, 720110), (50, 576088), (80, 360055), (100, 288044), (107, 269200), (200, 144022), (214, 134600), (400, 72011), (428, 67300), (535, 53840), (673, 42800), (856, 33650), (1070, 26920), (1346, 21400), (1712, 16825), (2140, 13460), (2675, 10768), (2692, 10700), (3365, 8560), (4280, 6730), (5350, 5384)]