12479020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 28062720

約数和(自身を除く): 15583700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 289, 340, 508, 578, 635, 1156, 1270, 1445, 2159, 2540, 2890, 4318, 4913, 5780, 8636, 9826, 10795, 19652, 21590, 24565, 36703, 43180, 49130, 73406, 98260, 146812, 183515, 367030, 623951, 734060, 1247902, 2495804, 3119755, 6239510, 12479020]

約数ペア:

[(1, 12479020), (2, 6239510), (4, 3119755), (5, 2495804), (10, 1247902), (17, 734060), (20, 623951), (34, 367030), (68, 183515), (85, 146812), (127, 98260), (170, 73406), (254, 49130), (289, 43180), (340, 36703), (508, 24565), (578, 21590), (635, 19652), (1156, 10795), (1270, 9826), (1445, 8636), (2159, 5780), (2540, 4913), (2890, 4318)]