8712860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 21676032

約数和(自身を除く): 12963172

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 47, 52, 62, 65, 92, 94, 115, 124, 130, 155, 188, 230, 235, 260, 299, 310, 403, 460, 470, 598, 611, 620, 713, 806, 940, 1081, 1196, 1222, 1426, 1457, 1495, 1612, 2015, 2162, 2444, 2852, 2914, 2990, 3055, 3565, 4030, 4324, 5405, 5828, 5980, 6110, 7130, 7285, 8060, 9269, 10810, 12220, 14053, 14260, 14570, 18538, 18941, 21620, 28106, 29140, 33511, 37076, 37882, 46345, 56212, 67022, 70265, 75764, 92690, 94705, 134044, 140530, 167555, 185380, 189410, 281060, 335110, 378820, 435643, 670220, 871286, 1742572, 2178215, 4356430, 8712860]

約数ペア:

[(1, 8712860), (2, 4356430), (4, 2178215), (5, 1742572), (10, 871286), (13, 670220), (20, 435643), (23, 378820), (26, 335110), (31, 281060), (46, 189410), (47, 185380), (52, 167555), (62, 140530), (65, 134044), (92, 94705), (94, 92690), (115, 75764), (124, 70265), (130, 67022), (155, 56212), (188, 46345), (230, 37882), (235, 37076), (260, 33511), (299, 29140), (310, 28106), (403, 21620), (460, 18941), (470, 18538), (598, 14570), (611, 14260), (620, 14053), (713, 12220), (806, 10810), (940, 9269), (1081, 8060), (1196, 7285), (1222, 7130), (1426, 6110), (1457, 5980), (1495, 5828), (1612, 5405), (2015, 4324), (2162, 4030), (2444, 3565), (2852, 3055), (2914, 2990)]