64940540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463861}}^1$

素因数の和:463877

約数の個数: 24

約数和(自身を含む): 155857632

約数和(自身を除く): 90917092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463861, 927722, 1855444, 2319305, 3247027, 4638610, 6494054, 9277220, 12988108, 16235135, 32470270, 64940540]

約数ペア:

[(1, 64940540), (2, 32470270), (4, 16235135), (5, 12988108), (7, 9277220), (10, 6494054), (14, 4638610), (20, 3247027), (28, 2319305), (35, 1855444), (70, 927722), (140, 463861)]