5408780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 12446784

約数和(自身を除く): 7038004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 293, 355, 586, 710, 923, 1172, 1420, 1465, 1846, 2930, 3692, 3809, 4615, 5860, 7618, 9230, 15236, 18460, 19045, 20803, 38090, 41606, 76180, 83212, 104015, 208030, 270439, 416060, 540878, 1081756, 1352195, 2704390, 5408780]

約数ペア:

[(1, 5408780), (2, 2704390), (4, 1352195), (5, 1081756), (10, 540878), (13, 416060), (20, 270439), (26, 208030), (52, 104015), (65, 83212), (71, 76180), (130, 41606), (142, 38090), (260, 20803), (284, 19045), (293, 18460), (355, 15236), (586, 9230), (710, 7618), (923, 5860), (1172, 4615), (1420, 3809), (1465, 3692), (1846, 2930)]