80263820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44101}}^1$

素因数の和:44130

約数の個数: 48

約数和(自身を含む): 207455808

約数和(自身を除く): 127191988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 44101, 88202, 176404, 220505, 308707, 441010, 573313, 617414, 882020, 1146626, 1234828, 1543535, 2293252, 2866565, 3087070, 4013191, 5733130, 6174140, 8026382, 11466260, 16052764, 20065955, 40131910, 80263820]

約数ペア:

[(1, 80263820), (2, 40131910), (4, 20065955), (5, 16052764), (7, 11466260), (10, 8026382), (13, 6174140), (14, 5733130), (20, 4013191), (26, 3087070), (28, 2866565), (35, 2293252), (52, 1543535), (65, 1234828), (70, 1146626), (91, 882020), (130, 617414), (140, 573313), (182, 441010), (260, 308707), (364, 220505), (455, 176404), (910, 88202), (1820, 44101)]