80930980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3209}}^1$

素因数の和:3328

約数の個数: 48

約数和(自身を含む): 184973040

約数和(自身を除く): 104042060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 3209, 5044, 6305, 6418, 12610, 12836, 16045, 25220, 32090, 41717, 64180, 83434, 166868, 208585, 311273, 417170, 622546, 834340, 1245092, 1556365, 3112730, 4046549, 6225460, 8093098, 16186196, 20232745, 40465490, 80930980]

約数ペア:

[(1, 80930980), (2, 40465490), (4, 20232745), (5, 16186196), (10, 8093098), (13, 6225460), (20, 4046549), (26, 3112730), (52, 1556365), (65, 1245092), (97, 834340), (130, 622546), (194, 417170), (260, 311273), (388, 208585), (485, 166868), (970, 83434), (1261, 64180), (1940, 41717), (2522, 32090), (3209, 25220), (5044, 16045), (6305, 12836), (6418, 12610)]