87496720

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1097}}^1$

素因数の和:2107

約数の個数: 40

約数和(自身を含む): 203819544

約数和(自身を除く): 116322824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1097, 1994, 2194, 3988, 4388, 4985, 5485, 7976, 8776, 9970, 10970, 15952, 17552, 19940, 21940, 39880, 43880, 79760, 87760, 1093709, 2187418, 4374836, 5468545, 8749672, 10937090, 17499344, 21874180, 43748360, 87496720]

約数ペア:

[(1, 87496720), (2, 43748360), (4, 21874180), (5, 17499344), (8, 10937090), (10, 8749672), (16, 5468545), (20, 4374836), (40, 2187418), (80, 1093709), (997, 87760), (1097, 79760), (1994, 43880), (2194, 39880), (3988, 21940), (4388, 19940), (4985, 17552), (5485, 15952), (7976, 10970), (8776, 9970)]