81072416

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 166348728

約数和(自身を除く): 85276312

約数列:

[1, 2, 4, 8, 16, 32, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 1013, 1312, 1952, 2026, 2501, 4052, 5002, 8104, 10004, 16208, 20008, 32416, 40016, 41533, 61793, 80032, 83066, 123586, 166132, 247172, 332264, 494344, 664528, 988688, 1329056, 1977376, 2533513, 5067026, 10134052, 20268104, 40536208, 81072416]

約数ペア:

[(1, 81072416), (2, 40536208), (4, 20268104), (8, 10134052), (16, 5067026), (32, 2533513), (41, 1977376), (61, 1329056), (82, 988688), (122, 664528), (164, 494344), (244, 332264), (328, 247172), (488, 166132), (656, 123586), (976, 83066), (1013, 80032), (1312, 61793), (1952, 41533), (2026, 40016), (2501, 32416), (4052, 20008), (5002, 16208), (8104, 10004)]