269103640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517507}}^1$

素因数の和:517531

約数の個数: 32

約数和(自身を含む): 652060080

約数和(自身を除く): 382956440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 517507, 1035014, 2070028, 2587535, 4140056, 5175070, 6727591, 10350140, 13455182, 20700280, 26910364, 33637955, 53820728, 67275910, 134551820, 269103640]

約数ペア:

[(1, 269103640), (2, 134551820), (4, 67275910), (5, 53820728), (8, 33637955), (10, 26910364), (13, 20700280), (20, 13455182), (26, 10350140), (40, 6727591), (52, 5175070), (65, 4140056), (104, 2587535), (130, 2070028), (260, 1035014), (520, 517507)]