40546820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 88258800

約数和(自身を除く): 47711980

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 349, 370, 628, 698, 740, 785, 1396, 1570, 1745, 3140, 3490, 5809, 6980, 11618, 12913, 23236, 25826, 29045, 51652, 54793, 58090, 64565, 109586, 116180, 129130, 219172, 258260, 273965, 547930, 1095860, 2027341, 4054682, 8109364, 10136705, 20273410, 40546820]

約数ペア:

[(1, 40546820), (2, 20273410), (4, 10136705), (5, 8109364), (10, 4054682), (20, 2027341), (37, 1095860), (74, 547930), (148, 273965), (157, 258260), (185, 219172), (314, 129130), (349, 116180), (370, 109586), (628, 64565), (698, 58090), (740, 54793), (785, 51652), (1396, 29045), (1570, 25826), (1745, 23236), (3140, 12913), (3490, 11618), (5809, 6980)]