7807280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7507}}^1$

素因数の和:7533

約数の個数: 40

約数和(自身を含む): 19550832

約数和(自身を除く): 11743552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7507, 15014, 30028, 37535, 60056, 75070, 97591, 120112, 150140, 195182, 300280, 390364, 487955, 600560, 780728, 975910, 1561456, 1951820, 3903640, 7807280]

約数ペア:

[(1, 7807280), (2, 3903640), (4, 1951820), (5, 1561456), (8, 975910), (10, 780728), (13, 600560), (16, 487955), (20, 390364), (26, 300280), (40, 195182), (52, 150140), (65, 120112), (80, 97591), (104, 75070), (130, 60056), (208, 37535), (260, 30028), (520, 15014), (1040, 7507)]