64961860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{48479}}^1$

素因数の和:48555

約数の個数: 24

約数和(自身を含む): 138458880

約数和(自身を除く): 73497020

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 48479, 96958, 193916, 242395, 484790, 969580, 3248093, 6496186, 12992372, 16240465, 32480930, 64961860]

約数ペア:

[(1, 64961860), (2, 32480930), (4, 16240465), (5, 12992372), (10, 6496186), (20, 3248093), (67, 969580), (134, 484790), (268, 242395), (335, 193916), (670, 96958), (1340, 48479)]