65512960

素因数分解:

$2^9\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 159047856

約数和(自身を除く): 93534896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 163, 256, 314, 320, 326, 512, 628, 640, 652, 785, 815, 1256, 1280, 1304, 1570, 1630, 2512, 2560, 2608, 3140, 3260, 5024, 5216, 6280, 6520, 10048, 10432, 12560, 13040, 20096, 20864, 25120, 25591, 26080, 40192, 41728, 50240, 51182, 52160, 80384, 83456, 100480, 102364, 104320, 127955, 200960, 204728, 208640, 255910, 401920, 409456, 417280, 511820, 818912, 1023640, 1637824, 2047280, 3275648, 4094560, 6551296, 8189120, 13102592, 16378240, 32756480, 65512960]

約数ペア:

[(1, 65512960), (2, 32756480), (4, 16378240), (5, 13102592), (8, 8189120), (10, 6551296), (16, 4094560), (20, 3275648), (32, 2047280), (40, 1637824), (64, 1023640), (80, 818912), (128, 511820), (157, 417280), (160, 409456), (163, 401920), (256, 255910), (314, 208640), (320, 204728), (326, 200960), (512, 127955), (628, 104320), (640, 102364), (652, 100480), (785, 83456), (815, 80384), (1256, 52160), (1280, 51182), (1304, 50240), (1570, 41728), (1630, 40192), (2512, 26080), (2560, 25591), (2608, 25120), (3140, 20864), (3260, 20096), (5024, 13040), (5216, 12560), (6280, 10432), (6520, 10048)]