64340480

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:677

約数の個数: 80

約数和(自身を含む): 158286744

約数和(自身を除く): 93946264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 613, 640, 656, 820, 1226, 1280, 1312, 1640, 2452, 2560, 2624, 3065, 3280, 4904, 5248, 6130, 6560, 9808, 10496, 12260, 13120, 19616, 20992, 24520, 25133, 26240, 39232, 49040, 50266, 52480, 78464, 98080, 100532, 104960, 125665, 156928, 196160, 201064, 251330, 313856, 392320, 402128, 502660, 784640, 804256, 1005320, 1569280, 1608512, 2010640, 3217024, 4021280, 6434048, 8042560, 12868096, 16085120, 32170240, 64340480]

約数ペア:

[(1, 64340480), (2, 32170240), (4, 16085120), (5, 12868096), (8, 8042560), (10, 6434048), (16, 4021280), (20, 3217024), (32, 2010640), (40, 1608512), (41, 1569280), (64, 1005320), (80, 804256), (82, 784640), (128, 502660), (160, 402128), (164, 392320), (205, 313856), (256, 251330), (320, 201064), (328, 196160), (410, 156928), (512, 125665), (613, 104960), (640, 100532), (656, 98080), (820, 78464), (1226, 52480), (1280, 50266), (1312, 49040), (1640, 39232), (2452, 26240), (2560, 25133), (2624, 24520), (3065, 20992), (3280, 19616), (4904, 13120), (5248, 12260), (6130, 10496), (6560, 9808)]