64440350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{99139}}^1$

素因数の和:99164

約数の個数: 24

約数和(自身を含む): 129080280

約数和(自身を除く): 64639930

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 99139, 198278, 495695, 991390, 1288807, 2478475, 2577614, 4956950, 6444035, 12888070, 32220175, 64440350]

約数ペア:

[(1, 64440350), (2, 32220175), (5, 12888070), (10, 6444035), (13, 4956950), (25, 2577614), (26, 2478475), (50, 1288807), (65, 991390), (130, 495695), (325, 198278), (650, 99139)]