16549720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1297}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 42055200

約数和(自身を除く): 25505480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1297, 1595, 2552, 2594, 3190, 5188, 6380, 6485, 10376, 12760, 12970, 14267, 25940, 28534, 37613, 51880, 57068, 71335, 75226, 114136, 142670, 150452, 188065, 285340, 300904, 376130, 413743, 570680, 752260, 827486, 1504520, 1654972, 2068715, 3309944, 4137430, 8274860, 16549720]

約数ペア:

[(1, 16549720), (2, 8274860), (4, 4137430), (5, 3309944), (8, 2068715), (10, 1654972), (11, 1504520), (20, 827486), (22, 752260), (29, 570680), (40, 413743), (44, 376130), (55, 300904), (58, 285340), (88, 188065), (110, 150452), (116, 142670), (145, 114136), (220, 75226), (232, 71335), (290, 57068), (319, 51880), (440, 37613), (580, 28534), (638, 25940), (1160, 14267), (1276, 12970), (1297, 12760), (1595, 10376), (2552, 6485), (2594, 6380), (3190, 5188)]