79758640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1526

約数の個数: 80

約数和(自身を含む): 203611968

約数和(自身を除く): 123853328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 1447, 2120, 2756, 2894, 3445, 4240, 5512, 5788, 6890, 7235, 11024, 11576, 13780, 14470, 18811, 23152, 27560, 28940, 37622, 55120, 57880, 75244, 76691, 94055, 115760, 150488, 153382, 188110, 300976, 306764, 376220, 383455, 613528, 752440, 766910, 996983, 1227056, 1504880, 1533820, 1993966, 3067640, 3987932, 4984915, 6135280, 7975864, 9969830, 15951728, 19939660, 39879320, 79758640]

約数ペア:

[(1, 79758640), (2, 39879320), (4, 19939660), (5, 15951728), (8, 9969830), (10, 7975864), (13, 6135280), (16, 4984915), (20, 3987932), (26, 3067640), (40, 1993966), (52, 1533820), (53, 1504880), (65, 1227056), (80, 996983), (104, 766910), (106, 752440), (130, 613528), (208, 383455), (212, 376220), (260, 306764), (265, 300976), (424, 188110), (520, 153382), (530, 150488), (689, 115760), (848, 94055), (1040, 76691), (1060, 75244), (1378, 57880), (1447, 55120), (2120, 37622), (2756, 28940), (2894, 27560), (3445, 23152), (4240, 18811), (5512, 14470), (5788, 13780), (6890, 11576), (7235, 11024)]