81244480

素因数分解:

$2^6\times 5^1\times {\mathrm{307}}^1\times {\mathrm{827}}^1$

素因数の和:1151

約数の個数: 56

約数和(自身を含む): 194328288

約数和(自身を除く): 113083808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 307, 320, 614, 827, 1228, 1535, 1654, 2456, 3070, 3308, 4135, 4912, 6140, 6616, 8270, 9824, 12280, 13232, 16540, 19648, 24560, 26464, 33080, 49120, 52928, 66160, 98240, 132320, 253889, 264640, 507778, 1015556, 1269445, 2031112, 2538890, 4062224, 5077780, 8124448, 10155560, 16248896, 20311120, 40622240, 81244480]

約数ペア:

[(1, 81244480), (2, 40622240), (4, 20311120), (5, 16248896), (8, 10155560), (10, 8124448), (16, 5077780), (20, 4062224), (32, 2538890), (40, 2031112), (64, 1269445), (80, 1015556), (160, 507778), (307, 264640), (320, 253889), (614, 132320), (827, 98240), (1228, 66160), (1535, 52928), (1654, 49120), (2456, 33080), (3070, 26464), (3308, 24560), (4135, 19648), (4912, 16540), (6140, 13232), (6616, 12280), (8270, 9824)]