130760800

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2069}}^1$

素因数の和:2168

約数の個数: 72

約数和(自身を含む): 323416800

約数和(自身を除く): 192656000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1975, 2069, 2528, 3160, 3950, 4138, 6320, 7900, 8276, 10345, 12640, 15800, 16552, 20690, 31600, 33104, 41380, 51725, 63200, 66208, 82760, 103450, 163451, 165520, 206900, 326902, 331040, 413800, 653804, 817255, 827600, 1307608, 1634510, 1655200, 2615216, 3269020, 4086275, 5230432, 6538040, 8172550, 13076080, 16345100, 26152160, 32690200, 65380400, 130760800]

約数ペア:

[(1, 130760800), (2, 65380400), (4, 32690200), (5, 26152160), (8, 16345100), (10, 13076080), (16, 8172550), (20, 6538040), (25, 5230432), (32, 4086275), (40, 3269020), (50, 2615216), (79, 1655200), (80, 1634510), (100, 1307608), (158, 827600), (160, 817255), (200, 653804), (316, 413800), (395, 331040), (400, 326902), (632, 206900), (790, 165520), (800, 163451), (1264, 103450), (1580, 82760), (1975, 66208), (2069, 63200), (2528, 51725), (3160, 41380), (3950, 33104), (4138, 31600), (6320, 20690), (7900, 16552), (8276, 15800), (10345, 12640)]