89304280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 217546560

約数和(自身を除く): 128242280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 520, 526, 653, 1052, 1306, 1315, 2104, 2612, 2630, 3265, 3419, 5224, 5260, 6530, 6838, 8489, 10520, 13060, 13676, 16978, 17095, 26120, 27352, 33956, 34190, 42445, 67912, 68380, 84890, 136760, 169780, 171739, 339560, 343478, 686956, 858695, 1373912, 1717390, 2232607, 3434780, 4465214, 6869560, 8930428, 11163035, 17860856, 22326070, 44652140, 89304280]

約数ペア:

[(1, 89304280), (2, 44652140), (4, 22326070), (5, 17860856), (8, 11163035), (10, 8930428), (13, 6869560), (20, 4465214), (26, 3434780), (40, 2232607), (52, 1717390), (65, 1373912), (104, 858695), (130, 686956), (260, 343478), (263, 339560), (520, 171739), (526, 169780), (653, 136760), (1052, 84890), (1306, 68380), (1315, 67912), (2104, 42445), (2612, 34190), (2630, 33956), (3265, 27352), (3419, 26120), (5224, 17095), (5260, 16978), (6530, 13676), (6838, 13060), (8489, 10520)]