138177280

素因数分解:

$2^8\times 5^1\times {\mathrm{107951}}^1$

素因数の和:107972

約数の個数: 36

約数和(自身を含む): 330980832

約数和(自身を除く): 192803552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 107951, 215902, 431804, 539755, 863608, 1079510, 1727216, 2159020, 3454432, 4318040, 6908864, 8636080, 13817728, 17272160, 27635456, 34544320, 69088640, 138177280]

約数ペア:

[(1, 138177280), (2, 69088640), (4, 34544320), (5, 27635456), (8, 17272160), (10, 13817728), (16, 8636080), (20, 6908864), (32, 4318040), (40, 3454432), (64, 2159020), (80, 1727216), (128, 1079510), (160, 863608), (256, 539755), (320, 431804), (640, 215902), (1280, 107951)]