42881020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23561}}^1$

素因数の和:23590

約数の個数: 48

約数和(自身を含む): 110835648

約数和(自身を除く): 67954628

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, 23561, 47122, 94244, 117805, 164927, 235610, 306293, 329854, 471220, 612586, 659708, 824635, 1225172, 1531465, 1649270, 2144051, 3062930, 3298540, 4288102, 6125860, 8576204, 10720255, 21440510, 42881020]

約数ペア:

[(1, 42881020), (2, 21440510), (4, 10720255), (5, 8576204), (7, 6125860), (10, 4288102), (13, 3298540), (14, 3062930), (20, 2144051), (26, 1649270), (28, 1531465), (35, 1225172), (52, 824635), (65, 659708), (70, 612586), (91, 471220), (130, 329854), (140, 306293), (182, 235610), (260, 164927), (364, 117805), (455, 94244), (910, 47122), (1820, 23561)]