42066040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 99617760

約数和(自身を除く): 57551720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 661, 740, 860, 1322, 1480, 1591, 1720, 2644, 3182, 3305, 5288, 6364, 6610, 7955, 12728, 13220, 15910, 24457, 26440, 28423, 31820, 48914, 56846, 63640, 97828, 113692, 122285, 142115, 195656, 227384, 244570, 284230, 489140, 568460, 978280, 1051651, 1136920, 2103302, 4206604, 5258255, 8413208, 10516510, 21033020, 42066040]

約数ペア:

[(1, 42066040), (2, 21033020), (4, 10516510), (5, 8413208), (8, 5258255), (10, 4206604), (20, 2103302), (37, 1136920), (40, 1051651), (43, 978280), (74, 568460), (86, 489140), (148, 284230), (172, 244570), (185, 227384), (215, 195656), (296, 142115), (344, 122285), (370, 113692), (430, 97828), (661, 63640), (740, 56846), (860, 48914), (1322, 31820), (1480, 28423), (1591, 26440), (1720, 24457), (2644, 15910), (3182, 13220), (3305, 12728), (5288, 7955), (6364, 6610)]