40047140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12437}}^1$

素因数の和:12476

約数の個数: 48

約数和(自身を含む): 100300032

約数和(自身を除く): 60252892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 12437, 24874, 49748, 62185, 87059, 124370, 174118, 248740, 286051, 348236, 435295, 572102, 870590, 1144204, 1430255, 1741180, 2002357, 2860510, 4004714, 5721020, 8009428, 10011785, 20023570, 40047140]

約数ペア:

[(1, 40047140), (2, 20023570), (4, 10011785), (5, 8009428), (7, 5721020), (10, 4004714), (14, 2860510), (20, 2002357), (23, 1741180), (28, 1430255), (35, 1144204), (46, 870590), (70, 572102), (92, 435295), (115, 348236), (140, 286051), (161, 248740), (230, 174118), (322, 124370), (460, 87059), (644, 62185), (805, 49748), (1610, 24874), (3220, 12437)]