64180880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15137}}^1$

素因数の和:15203

約数の個数: 40

約数和(自身を含む): 152046072

約数和(自身を除く): 87865192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15137, 30274, 60548, 75685, 121096, 151370, 242192, 302740, 605480, 802261, 1210960, 1604522, 3209044, 4011305, 6418088, 8022610, 12836176, 16045220, 32090440, 64180880]

約数ペア:

[(1, 64180880), (2, 32090440), (4, 16045220), (5, 12836176), (8, 8022610), (10, 6418088), (16, 4011305), (20, 3209044), (40, 1604522), (53, 1210960), (80, 802261), (106, 605480), (212, 302740), (265, 242192), (424, 151370), (530, 121096), (848, 75685), (1060, 60548), (2120, 30274), (4240, 15137)]