2651440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 7070976

約数和(自身を除く): 4419536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 131, 176, 184, 220, 230, 253, 262, 368, 440, 460, 506, 524, 655, 880, 920, 1012, 1048, 1265, 1310, 1441, 1840, 2024, 2096, 2530, 2620, 2882, 3013, 4048, 5060, 5240, 5764, 6026, 7205, 10120, 10480, 11528, 12052, 14410, 15065, 20240, 23056, 24104, 28820, 30130, 33143, 48208, 57640, 60260, 66286, 115280, 120520, 132572, 165715, 241040, 265144, 331430, 530288, 662860, 1325720, 2651440]

約数ペア:

[(1, 2651440), (2, 1325720), (4, 662860), (5, 530288), (8, 331430), (10, 265144), (11, 241040), (16, 165715), (20, 132572), (22, 120520), (23, 115280), (40, 66286), (44, 60260), (46, 57640), (55, 48208), (80, 33143), (88, 30130), (92, 28820), (110, 24104), (115, 23056), (131, 20240), (176, 15065), (184, 14410), (220, 12052), (230, 11528), (253, 10480), (262, 10120), (368, 7205), (440, 6026), (460, 5764), (506, 5240), (524, 5060), (655, 4048), (880, 3013), (920, 2882), (1012, 2620), (1048, 2530), (1265, 2096), (1310, 2024), (1441, 1840)]