13990240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7949}}^1$

素因数の和:7975

約数の個数: 48

約数和(自身を含む): 36061200

約数和(自身を除く): 22070960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 7949, 15898, 31796, 39745, 63592, 79490, 87439, 127184, 158980, 174878, 254368, 317960, 349756, 437195, 635920, 699512, 874390, 1271840, 1399024, 1748780, 2798048, 3497560, 6995120, 13990240]

約数ペア:

[(1, 13990240), (2, 6995120), (4, 3497560), (5, 2798048), (8, 1748780), (10, 1399024), (11, 1271840), (16, 874390), (20, 699512), (22, 635920), (32, 437195), (40, 349756), (44, 317960), (55, 254368), (80, 174878), (88, 158980), (110, 127184), (160, 87439), (176, 79490), (220, 63592), (352, 39745), (440, 31796), (880, 15898), (1760, 7949)]