65568880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1034

約数の個数: 80

約数和(自身を含む): 166801824

約数和(自身を除く): 101232944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 941, 1040, 1072, 1340, 1742, 1882, 2680, 3484, 3764, 4355, 4705, 5360, 6968, 7528, 8710, 9410, 12233, 13936, 15056, 17420, 18820, 24466, 34840, 37640, 48932, 61165, 63047, 69680, 75280, 97864, 122330, 126094, 195728, 244660, 252188, 315235, 489320, 504376, 630470, 819611, 978640, 1008752, 1260940, 1639222, 2521880, 3278444, 4098055, 5043760, 6556888, 8196110, 13113776, 16392220, 32784440, 65568880]

約数ペア:

[(1, 65568880), (2, 32784440), (4, 16392220), (5, 13113776), (8, 8196110), (10, 6556888), (13, 5043760), (16, 4098055), (20, 3278444), (26, 2521880), (40, 1639222), (52, 1260940), (65, 1008752), (67, 978640), (80, 819611), (104, 630470), (130, 504376), (134, 489320), (208, 315235), (260, 252188), (268, 244660), (335, 195728), (520, 126094), (536, 122330), (670, 97864), (871, 75280), (941, 69680), (1040, 63047), (1072, 61165), (1340, 48932), (1742, 37640), (1882, 34840), (2680, 24466), (3484, 18820), (3764, 17420), (4355, 15056), (4705, 13936), (5360, 12233), (6968, 9410), (7528, 8710)]