102051280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67139}}^1$

素因数の和:67171

約数の個数: 40

約数和(自身を含む): 249760800

約数和(自身を除く): 147709520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 67139, 134278, 268556, 335695, 537112, 671390, 1074224, 1275641, 1342780, 2551282, 2685560, 5102564, 5371120, 6378205, 10205128, 12756410, 20410256, 25512820, 51025640, 102051280]

約数ペア:

[(1, 102051280), (2, 51025640), (4, 25512820), (5, 20410256), (8, 12756410), (10, 10205128), (16, 6378205), (19, 5371120), (20, 5102564), (38, 2685560), (40, 2551282), (76, 1342780), (80, 1275641), (95, 1074224), (152, 671390), (190, 537112), (304, 335695), (380, 268556), (760, 134278), (1520, 67139)]