1048260020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{64153}}^1$

素因数の和:64224

約数の個数: 48

約数和(自身を含む): 2371131840

約数和(自身を除く): 1322871820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 64153, 128306, 256612, 320765, 641530, 1218907, 1283060, 2437814, 2758579, 4875628, 5517158, 6094535, 11034316, 12189070, 13792895, 24378140, 27585790, 52413001, 55171580, 104826002, 209652004, 262065005, 524130010, 1048260020]

約数ペア:

[(1, 1048260020), (2, 524130010), (4, 262065005), (5, 209652004), (10, 104826002), (19, 55171580), (20, 52413001), (38, 27585790), (43, 24378140), (76, 13792895), (86, 12189070), (95, 11034316), (172, 6094535), (190, 5517158), (215, 4875628), (380, 2758579), (430, 2437814), (817, 1283060), (860, 1218907), (1634, 641530), (3268, 320765), (4085, 256612), (8170, 128306), (16340, 64153)]