72749840

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3623}}^1$

素因数の和:3887

約数の個数: 40

約数和(自身を含む): 169864128

約数和(自身を除く): 97114288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 3623, 4016, 5020, 7246, 10040, 14492, 18115, 20080, 28984, 36230, 57968, 72460, 144920, 289840, 909373, 1818746, 3637492, 4546865, 7274984, 9093730, 14549968, 18187460, 36374920, 72749840]

約数ペア:

[(1, 72749840), (2, 36374920), (4, 18187460), (5, 14549968), (8, 9093730), (10, 7274984), (16, 4546865), (20, 3637492), (40, 1818746), (80, 909373), (251, 289840), (502, 144920), (1004, 72460), (1255, 57968), (2008, 36230), (2510, 28984), (3623, 20080), (4016, 18115), (5020, 14492), (7246, 10040)]