8889407020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{89269}}^1$

素因数の和:89674

約数の個数: 48

約数和(自身を含む): 20156451840

約数和(自身を除く): 11267044820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 766, 1532, 1915, 3830, 4979, 7660, 9958, 19916, 24895, 49790, 89269, 99580, 178538, 357076, 446345, 892690, 1160497, 1785380, 2320994, 4641988, 5802485, 11604970, 23209940, 34190027, 68380054, 136760108, 170950135, 341900270, 444470351, 683800540, 888940702, 1777881404, 2222351755, 4444703510, 8889407020]

約数ペア:

[(1, 8889407020), (2, 4444703510), (4, 2222351755), (5, 1777881404), (10, 888940702), (13, 683800540), (20, 444470351), (26, 341900270), (52, 170950135), (65, 136760108), (130, 68380054), (260, 34190027), (383, 23209940), (766, 11604970), (1532, 5802485), (1915, 4641988), (3830, 2320994), (4979, 1785380), (7660, 1160497), (9958, 892690), (19916, 446345), (24895, 357076), (49790, 178538), (89269, 99580)]