38240020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21011}}^1$

素因数の和:21040

約数の個数: 48

約数和(自身を含む): 98840448

約数和(自身を除く): 60600428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 21011, 42022, 84044, 105055, 147077, 210110, 273143, 294154, 420220, 546286, 588308, 735385, 1092572, 1365715, 1470770, 1912001, 2731430, 2941540, 3824002, 5462860, 7648004, 9560005, 19120010, 38240020]

約数ペア:

[(1, 38240020), (2, 19120010), (4, 9560005), (5, 7648004), (7, 5462860), (10, 3824002), (13, 2941540), (14, 2731430), (20, 1912001), (26, 1470770), (28, 1365715), (35, 1092572), (52, 735385), (65, 588308), (70, 546286), (91, 420220), (130, 294154), (140, 273143), (182, 210110), (260, 147077), (364, 105055), (455, 84044), (910, 42022), (1820, 21011)]