64433840

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5879}}^1$

素因数の和:6029

約数の個数: 40

約数和(自身を含む): 150927840

約数和(自身を除く): 86494000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 5879, 10960, 11758, 23516, 29395, 47032, 58790, 94064, 117580, 235160, 470320, 805423, 1610846, 3221692, 4027115, 6443384, 8054230, 12886768, 16108460, 32216920, 64433840]

約数ペア:

[(1, 64433840), (2, 32216920), (4, 16108460), (5, 12886768), (8, 8054230), (10, 6443384), (16, 4027115), (20, 3221692), (40, 1610846), (80, 805423), (137, 470320), (274, 235160), (548, 117580), (685, 94064), (1096, 58790), (1370, 47032), (2192, 29395), (2740, 23516), (5480, 11758), (5879, 10960)]