28987240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24989}}^1$

素因数の和:25029

約数の個数: 32

約数和(自身を含む): 67473000

約数和(自身を除く): 38485760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24989, 49978, 99956, 124945, 199912, 249890, 499780, 724681, 999560, 1449362, 2898724, 3623405, 5797448, 7246810, 14493620, 28987240]

約数ペア:

[(1, 28987240), (2, 14493620), (4, 7246810), (5, 5797448), (8, 3623405), (10, 2898724), (20, 1449362), (29, 999560), (40, 724681), (58, 499780), (116, 249890), (145, 199912), (232, 124945), (290, 99956), (580, 49978), (1160, 24989)]