39880490060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{301531}}^1$

素因数の和:301946

約数の個数: 48

約数和(自身を含む): 88903694880

約数和(自身を除く): 49023204820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 778, 1556, 1945, 3890, 6613, 7780, 13226, 26452, 33065, 66130, 132260, 301531, 603062, 1206124, 1507655, 3015310, 5126027, 6030620, 10252054, 20504108, 25630135, 51260270, 102520540, 117295559, 234591118, 469182236, 586477795, 1172955590, 1994024503, 2345911180, 3988049006, 7976098012, 9970122515, 19940245030, 39880490060]

約数ペア:

[(1, 39880490060), (2, 19940245030), (4, 9970122515), (5, 7976098012), (10, 3988049006), (17, 2345911180), (20, 1994024503), (34, 1172955590), (68, 586477795), (85, 469182236), (170, 234591118), (340, 117295559), (389, 102520540), (778, 51260270), (1556, 25630135), (1945, 20504108), (3890, 10252054), (6613, 6030620), (7780, 5126027), (13226, 3015310), (26452, 1507655), (33065, 1206124), (66130, 603062), (132260, 301531)]