77995520

素因数分解:

$2^9\times 5^1\times {\mathrm{30467}}^1$

素因数の和:30490

約数の個数: 40

約数和(自身を含む): 187012584

約数和(自身を除く): 109017064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 30467, 60934, 121868, 152335, 243736, 304670, 487472, 609340, 974944, 1218680, 1949888, 2437360, 3899776, 4874720, 7799552, 9749440, 15599104, 19498880, 38997760, 77995520]

約数ペア:

[(1, 77995520), (2, 38997760), (4, 19498880), (5, 15599104), (8, 9749440), (10, 7799552), (16, 4874720), (20, 3899776), (32, 2437360), (40, 1949888), (64, 1218680), (80, 974944), (128, 609340), (160, 487472), (256, 304670), (320, 243736), (512, 152335), (640, 121868), (1280, 60934), (2560, 30467)]