2070020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 4656960

約数和(自身を除く): 2586940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 83, 86, 116, 145, 166, 172, 215, 290, 332, 415, 430, 580, 830, 860, 1247, 1660, 2407, 2494, 3569, 4814, 4988, 6235, 7138, 9628, 12035, 12470, 14276, 17845, 24070, 24940, 35690, 48140, 71380, 103501, 207002, 414004, 517505, 1035010, 2070020]

約数ペア:

[(1, 2070020), (2, 1035010), (4, 517505), (5, 414004), (10, 207002), (20, 103501), (29, 71380), (43, 48140), (58, 35690), (83, 24940), (86, 24070), (116, 17845), (145, 14276), (166, 12470), (172, 12035), (215, 9628), (290, 7138), (332, 6235), (415, 4988), (430, 4814), (580, 3569), (830, 2494), (860, 2407), (1247, 1660)]