31252520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60101}}^1$

素因数の和:60125

約数の個数: 32

約数和(自身を含む): 75728520

約数和(自身を除く): 44476000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60101, 120202, 240404, 300505, 480808, 601010, 781313, 1202020, 1562626, 2404040, 3125252, 3906565, 6250504, 7813130, 15626260, 31252520]

約数ペア:

[(1, 31252520), (2, 15626260), (4, 7813130), (5, 6250504), (8, 3906565), (10, 3125252), (13, 2404040), (20, 1562626), (26, 1202020), (40, 781313), (52, 601010), (65, 480808), (104, 300505), (130, 240404), (260, 120202), (520, 60101)]