164554240

素因数分解:

$2^9\times 5^1\times {\mathrm{64279}}^1$

素因数の和:64302

約数の個数: 40

約数和(自身を含む): 394550640

約数和(自身を除く): 229996400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 64279, 128558, 257116, 321395, 514232, 642790, 1028464, 1285580, 2056928, 2571160, 4113856, 5142320, 8227712, 10284640, 16455424, 20569280, 32910848, 41138560, 82277120, 164554240]

約数ペア:

[(1, 164554240), (2, 82277120), (4, 41138560), (5, 32910848), (8, 20569280), (10, 16455424), (16, 10284640), (20, 8227712), (32, 5142320), (40, 4113856), (64, 2571160), (80, 2056928), (128, 1285580), (160, 1028464), (256, 642790), (320, 514232), (512, 321395), (640, 257116), (1280, 128558), (2560, 64279)]