51840040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{26449}}^1$

素因数の和:26474

約数の個数: 48

約数和(自身を含む): 135688500

約数和(自身を除く): 83848460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 26449, 52898, 105796, 132245, 185143, 211592, 264490, 370286, 528980, 740572, 925715, 1057960, 1296001, 1481144, 1851430, 2592002, 3702860, 5184004, 6480005, 7405720, 10368008, 12960010, 25920020, 51840040]

約数ペア:

[(1, 51840040), (2, 25920020), (4, 12960010), (5, 10368008), (7, 7405720), (8, 6480005), (10, 5184004), (14, 3702860), (20, 2592002), (28, 1851430), (35, 1481144), (40, 1296001), (49, 1057960), (56, 925715), (70, 740572), (98, 528980), (140, 370286), (196, 264490), (245, 211592), (280, 185143), (392, 132245), (490, 105796), (980, 52898), (1960, 26449)]