2665164020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{18661}}^1$

素因数の和:18900

約数の個数: 48

約数和(自身を含む): 5778203088

約数和(自身を除く): 3113039068

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 193, 370, 386, 740, 772, 965, 1930, 3860, 7141, 14282, 18661, 28564, 35705, 37322, 71410, 74644, 93305, 142820, 186610, 373220, 690457, 1380914, 2761828, 3452285, 3601573, 6904570, 7203146, 13809140, 14406292, 18007865, 36015730, 72031460, 133258201, 266516402, 533032804, 666291005, 1332582010, 2665164020]

約数ペア:

[(1, 2665164020), (2, 1332582010), (4, 666291005), (5, 533032804), (10, 266516402), (20, 133258201), (37, 72031460), (74, 36015730), (148, 18007865), (185, 14406292), (193, 13809140), (370, 7203146), (386, 6904570), (740, 3601573), (772, 3452285), (965, 2761828), (1930, 1380914), (3860, 690457), (7141, 373220), (14282, 186610), (18661, 142820), (28564, 93305), (35705, 74644), (37322, 71410)]