64948480

素因数分解:

$2^8\times 5^1\times {\mathrm{50741}}^1$

素因数の和:50762

約数の個数: 36

約数和(自身を含む): 155574972

約数和(自身を除く): 90626492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 50741, 101482, 202964, 253705, 405928, 507410, 811856, 1014820, 1623712, 2029640, 3247424, 4059280, 6494848, 8118560, 12989696, 16237120, 32474240, 64948480]

約数ペア:

[(1, 64948480), (2, 32474240), (4, 16237120), (5, 12989696), (8, 8118560), (10, 6494848), (16, 4059280), (20, 3247424), (32, 2029640), (40, 1623712), (64, 1014820), (80, 811856), (128, 507410), (160, 405928), (256, 253705), (320, 202964), (640, 101482), (1280, 50741)]