66758380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19751}}^1$

素因数の和:19786

約数の個数: 36

約数和(自身を含む): 151813872

約数和(自身を除く): 85055492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 19751, 39502, 79004, 98755, 197510, 256763, 395020, 513526, 1027052, 1283815, 2567630, 3337919, 5135260, 6675838, 13351676, 16689595, 33379190, 66758380]

約数ペア:

[(1, 66758380), (2, 33379190), (4, 16689595), (5, 13351676), (10, 6675838), (13, 5135260), (20, 3337919), (26, 2567630), (52, 1283815), (65, 1027052), (130, 513526), (169, 395020), (260, 256763), (338, 197510), (676, 98755), (845, 79004), (1690, 39502), (3380, 19751)]