65409340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 142222752

約数和(自身を除く): 76813412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 370, 563, 628, 740, 785, 1126, 1570, 2252, 2815, 3140, 5630, 5809, 11260, 11618, 20831, 23236, 29045, 41662, 58090, 83324, 88391, 104155, 116180, 176782, 208310, 353564, 416620, 441955, 883910, 1767820, 3270467, 6540934, 13081868, 16352335, 32704670, 65409340]

約数ペア:

[(1, 65409340), (2, 32704670), (4, 16352335), (5, 13081868), (10, 6540934), (20, 3270467), (37, 1767820), (74, 883910), (148, 441955), (157, 416620), (185, 353564), (314, 208310), (370, 176782), (563, 116180), (628, 104155), (740, 88391), (785, 83324), (1126, 58090), (1570, 41662), (2252, 29045), (2815, 23236), (3140, 20831), (5630, 11618), (5809, 11260)]