87691360

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{18899}}^1$

素因数の和:18943

約数の個数: 48

約数和(自身を含む): 214326000

約数和(自身を除く): 126634640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 18899, 37798, 75596, 94495, 151192, 188990, 302384, 377980, 548071, 604768, 755960, 1096142, 1511920, 2192284, 2740355, 3023840, 4384568, 5480710, 8769136, 10961420, 17538272, 21922840, 43845680, 87691360]

約数ペア:

[(1, 87691360), (2, 43845680), (4, 21922840), (5, 17538272), (8, 10961420), (10, 8769136), (16, 5480710), (20, 4384568), (29, 3023840), (32, 2740355), (40, 2192284), (58, 1511920), (80, 1096142), (116, 755960), (145, 604768), (160, 548071), (232, 377980), (290, 302384), (464, 188990), (580, 151192), (928, 94495), (1160, 75596), (2320, 37798), (4640, 18899)]