51179680

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1787}}^1$

素因数の和:1981

約数の個数: 48

約数和(自身を含む): 121655520

約数和(自身を除く): 70475840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1787, 1790, 2864, 3574, 3580, 5728, 7148, 7160, 8935, 14296, 14320, 17870, 28592, 28640, 35740, 57184, 71480, 142960, 285920, 319873, 639746, 1279492, 1599365, 2558984, 3198730, 5117968, 6397460, 10235936, 12794920, 25589840, 51179680]

約数ペア:

[(1, 51179680), (2, 25589840), (4, 12794920), (5, 10235936), (8, 6397460), (10, 5117968), (16, 3198730), (20, 2558984), (32, 1599365), (40, 1279492), (80, 639746), (160, 319873), (179, 285920), (358, 142960), (716, 71480), (895, 57184), (1432, 35740), (1787, 28640), (1790, 28592), (2864, 17870), (3574, 14320), (3580, 14296), (5728, 8935), (7148, 7160)]