28740860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38839}}^1$

素因数の和:38885

約数の個数: 24

約数和(自身を含む): 61988640

約数和(自身を除く): 33247780

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 38839, 77678, 155356, 194195, 388390, 776780, 1437043, 2874086, 5748172, 7185215, 14370430, 28740860]

約数ペア:

[(1, 28740860), (2, 14370430), (4, 7185215), (5, 5748172), (10, 2874086), (20, 1437043), (37, 776780), (74, 388390), (148, 194195), (185, 155356), (370, 77678), (740, 38839)]