66503840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31973}}^1$

素因数の和:32001

約数の個数: 48

約数和(自身を含む): 169206408

約数和(自身を除く): 102702568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 31973, 63946, 127892, 159865, 255784, 319730, 415649, 511568, 639460, 831298, 1023136, 1278920, 1662596, 2078245, 2557840, 3325192, 4156490, 5115680, 6650384, 8312980, 13300768, 16625960, 33251920, 66503840]

約数ペア:

[(1, 66503840), (2, 33251920), (4, 16625960), (5, 13300768), (8, 8312980), (10, 6650384), (13, 5115680), (16, 4156490), (20, 3325192), (26, 2557840), (32, 2078245), (40, 1662596), (52, 1278920), (65, 1023136), (80, 831298), (104, 639460), (130, 511568), (160, 415649), (208, 319730), (260, 255784), (416, 159865), (520, 127892), (1040, 63946), (2080, 31973)]