63808940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245419}}^1$

素因数の和:245441

約数の個数: 24

約数和(自身を含む): 144306960

約数和(自身を除く): 80498020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 245419, 490838, 981676, 1227095, 2454190, 3190447, 4908380, 6380894, 12761788, 15952235, 31904470, 63808940]

約数ペア:

[(1, 63808940), (2, 31904470), (4, 15952235), (5, 12761788), (10, 6380894), (13, 4908380), (20, 3190447), (26, 2454190), (52, 1227095), (65, 981676), (130, 490838), (260, 245419)]