39976456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20231}}^1$

素因数の和:20269

約数の個数: 32

約数和(自身を含む): 84974400

約数和(自身を除く): 44997944

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20231, 40462, 80924, 161848, 263003, 384389, 526006, 768778, 1052012, 1537556, 2104024, 3075112, 4997057, 9994114, 19988228, 39976456]

約数ペア:

[(1, 39976456), (2, 19988228), (4, 9994114), (8, 4997057), (13, 3075112), (19, 2104024), (26, 1537556), (38, 1052012), (52, 768778), (76, 526006), (104, 384389), (152, 263003), (247, 161848), (494, 80924), (988, 40462), (1976, 20231)]