80459860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{309461}}^1$

素因数の和:309483

約数の個数: 24

約数和(自身を含む): 181963656

約数和(自身を除く): 101503796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 309461, 618922, 1237844, 1547305, 3094610, 4022993, 6189220, 8045986, 16091972, 20114965, 40229930, 80459860]

約数ペア:

[(1, 80459860), (2, 40229930), (4, 20114965), (5, 16091972), (10, 8045986), (13, 6189220), (20, 4022993), (26, 3094610), (52, 1547305), (65, 1237844), (130, 618922), (260, 309461)]