130905040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233759}}^1$

素因数の和:233779

約数の個数: 40

約数和(自身を含む): 347834880

約数和(自身を除く): 216929840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 233759, 467518, 935036, 1168795, 1636313, 1870072, 2337590, 3272626, 3740144, 4675180, 6545252, 8181565, 9350360, 13090504, 16363130, 18700720, 26181008, 32726260, 65452520, 130905040]

約数ペア:

[(1, 130905040), (2, 65452520), (4, 32726260), (5, 26181008), (7, 18700720), (8, 16363130), (10, 13090504), (14, 9350360), (16, 8181565), (20, 6545252), (28, 4675180), (35, 3740144), (40, 3272626), (56, 2337590), (70, 1870072), (80, 1636313), (112, 1168795), (140, 935036), (280, 467518), (560, 233759)]