69387280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10979}}^1$

素因数の和:11071

約数の個数: 40

約数和(自身を含む): 163382400

約数和(自身を除く): 93995120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 10979, 21958, 43916, 54895, 87832, 109790, 175664, 219580, 439160, 867341, 878320, 1734682, 3469364, 4336705, 6938728, 8673410, 13877456, 17346820, 34693640, 69387280]

約数ペア:

[(1, 69387280), (2, 34693640), (4, 17346820), (5, 13877456), (8, 8673410), (10, 6938728), (16, 4336705), (20, 3469364), (40, 1734682), (79, 878320), (80, 867341), (158, 439160), (316, 219580), (395, 175664), (632, 109790), (790, 87832), (1264, 54895), (1580, 43916), (3160, 21958), (6320, 10979)]