51708540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66293}}^1$

素因数の和:66318

約数の個数: 48

約数和(自身を含む): 155923488

約数和(自身を除く): 104214948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66293, 132586, 198879, 265172, 331465, 397758, 662930, 795516, 861809, 994395, 1325860, 1723618, 1988790, 2585427, 3447236, 3977580, 4309045, 5170854, 8618090, 10341708, 12927135, 17236180, 25854270, 51708540]

約数ペア:

[(1, 51708540), (2, 25854270), (3, 17236180), (4, 12927135), (5, 10341708), (6, 8618090), (10, 5170854), (12, 4309045), (13, 3977580), (15, 3447236), (20, 2585427), (26, 1988790), (30, 1723618), (39, 1325860), (52, 994395), (60, 861809), (65, 795516), (78, 662930), (130, 397758), (156, 331465), (195, 265172), (260, 198879), (390, 132586), (780, 66293)]