40045990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1109}}^1$

素因数の和:1296

約数の個数: 32

約数和(自身を含む): 75764160

約数和(自身を除く): 35718170

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 314, 785, 1109, 1570, 2218, 3611, 5545, 7222, 11090, 18055, 25507, 36110, 51014, 127535, 174113, 255070, 348226, 870565, 1741130, 4004599, 8009198, 20022995, 40045990]

約数ペア:

[(1, 40045990), (2, 20022995), (5, 8009198), (10, 4004599), (23, 1741130), (46, 870565), (115, 348226), (157, 255070), (230, 174113), (314, 127535), (785, 51014), (1109, 36110), (1570, 25507), (2218, 18055), (3611, 11090), (5545, 7222)]