80719912

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{110879}}^1$

素因数の和:110905

約数の個数: 32

約数和(自身を含む): 186278400

約数和(自身を除く): 105558488

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 110879, 221758, 443516, 776153, 887032, 1441427, 1552306, 2882854, 3104612, 5765708, 6209224, 10089989, 11531416, 20179978, 40359956, 80719912]

約数ペア:

[(1, 80719912), (2, 40359956), (4, 20179978), (7, 11531416), (8, 10089989), (13, 6209224), (14, 5765708), (26, 3104612), (28, 2882854), (52, 1552306), (56, 1441427), (91, 887032), (104, 776153), (182, 443516), (364, 221758), (728, 110879)]