1980212104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{8311}}^1$

素因数の和:8438

約数の個数: 64

約数和(自身を含む): 4189248000

約数和(自身を除く): 2209035896

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 79, 104, 116, 158, 232, 316, 377, 632, 754, 1027, 1508, 2054, 2291, 3016, 4108, 4582, 8216, 8311, 9164, 16622, 18328, 29783, 33244, 59566, 66488, 108043, 119132, 216086, 238264, 241019, 432172, 482038, 656569, 864344, 964076, 1313138, 1928152, 2626276, 3133247, 5252552, 6266494, 8535397, 12532988, 17070794, 19040501, 25065976, 34141588, 38081002, 68283176, 76162004, 152324008, 247526513, 495053026, 990106052, 1980212104]

約数ペア:

[(1, 1980212104), (2, 990106052), (4, 495053026), (8, 247526513), (13, 152324008), (26, 76162004), (29, 68283176), (52, 38081002), (58, 34141588), (79, 25065976), (104, 19040501), (116, 17070794), (158, 12532988), (232, 8535397), (316, 6266494), (377, 5252552), (632, 3133247), (754, 2626276), (1027, 1928152), (1508, 1313138), (2054, 964076), (2291, 864344), (3016, 656569), (4108, 482038), (4582, 432172), (8216, 241019), (8311, 238264), (9164, 216086), (16622, 119132), (18328, 108043), (29783, 66488), (33244, 59566)]