87809840

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4373}}^1$

素因数の和:4637

約数の個数: 40

約数和(自身を含む): 205018128

約数和(自身を除く): 117208288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 4373, 5020, 8746, 10040, 17492, 20080, 21865, 34984, 43730, 69968, 87460, 174920, 349840, 1097623, 2195246, 4390492, 5488115, 8780984, 10976230, 17561968, 21952460, 43904920, 87809840]

約数ペア:

[(1, 87809840), (2, 43904920), (4, 21952460), (5, 17561968), (8, 10976230), (10, 8780984), (16, 5488115), (20, 4390492), (40, 2195246), (80, 1097623), (251, 349840), (502, 174920), (1004, 87460), (1255, 69968), (2008, 43730), (2510, 34984), (4016, 21865), (4373, 20080), (5020, 17492), (8746, 10040)]