1318400

素因数分解:

$2^9\times 5^2\times {\mathrm{103}}^1$

素因数の和:131

約数の個数: 60

約数和(自身を含む): 3298152

約数和(自身を除く): 1979752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 128, 160, 200, 206, 256, 320, 400, 412, 512, 515, 640, 800, 824, 1030, 1280, 1600, 1648, 2060, 2560, 2575, 3200, 3296, 4120, 5150, 6400, 6592, 8240, 10300, 12800, 13184, 16480, 20600, 26368, 32960, 41200, 52736, 65920, 82400, 131840, 164800, 263680, 329600, 659200, 1318400]

約数ペア:

[(1, 1318400), (2, 659200), (4, 329600), (5, 263680), (8, 164800), (10, 131840), (16, 82400), (20, 65920), (25, 52736), (32, 41200), (40, 32960), (50, 26368), (64, 20600), (80, 16480), (100, 13184), (103, 12800), (128, 10300), (160, 8240), (200, 6592), (206, 6400), (256, 5150), (320, 4120), (400, 3296), (412, 3200), (512, 2575), (515, 2560), (640, 2060), (800, 1648), (824, 1600), (1030, 1280)]