51140020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2281}}^1$

素因数の和:2368

約数の個数: 48

約数和(自身を含む): 115012800

約数和(自身を除く): 63872780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 2281, 4484, 4562, 5605, 9124, 11210, 11405, 22420, 22810, 43339, 45620, 86678, 134579, 173356, 216695, 269158, 433390, 538316, 672895, 866780, 1345790, 2557001, 2691580, 5114002, 10228004, 12785005, 25570010, 51140020]

約数ペア:

[(1, 51140020), (2, 25570010), (4, 12785005), (5, 10228004), (10, 5114002), (19, 2691580), (20, 2557001), (38, 1345790), (59, 866780), (76, 672895), (95, 538316), (118, 433390), (190, 269158), (236, 216695), (295, 173356), (380, 134579), (590, 86678), (1121, 45620), (1180, 43339), (2242, 22810), (2281, 22420), (4484, 11405), (4562, 11210), (5605, 9124)]