56141360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 143776512

約数和(自身を除く): 87635152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 262, 440, 487, 524, 655, 880, 974, 1048, 1310, 1441, 1948, 2096, 2435, 2620, 2882, 3896, 4870, 5240, 5357, 5764, 7205, 7792, 9740, 10480, 10714, 11528, 14410, 19480, 21428, 23056, 26785, 28820, 38960, 42856, 53570, 57640, 63797, 85712, 107140, 115280, 127594, 214280, 255188, 318985, 428560, 510376, 637970, 701767, 1020752, 1275940, 1403534, 2551880, 2807068, 3508835, 5103760, 5614136, 7017670, 11228272, 14035340, 28070680, 56141360]

約数ペア:

[(1, 56141360), (2, 28070680), (4, 14035340), (5, 11228272), (8, 7017670), (10, 5614136), (11, 5103760), (16, 3508835), (20, 2807068), (22, 2551880), (40, 1403534), (44, 1275940), (55, 1020752), (80, 701767), (88, 637970), (110, 510376), (131, 428560), (176, 318985), (220, 255188), (262, 214280), (440, 127594), (487, 115280), (524, 107140), (655, 85712), (880, 63797), (974, 57640), (1048, 53570), (1310, 42856), (1441, 38960), (1948, 28820), (2096, 26785), (2435, 23056), (2620, 21428), (2882, 19480), (3896, 14410), (4870, 11528), (5240, 10714), (5357, 10480), (5764, 9740), (7205, 7792)]