57481720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38839}}^1$

素因数の和:38887

約数の個数: 32

約数和(自身を含む): 132832800

約数和(自身を除く): 75351080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 38839, 77678, 155356, 194195, 310712, 388390, 776780, 1437043, 1553560, 2874086, 5748172, 7185215, 11496344, 14370430, 28740860, 57481720]

約数ペア:

[(1, 57481720), (2, 28740860), (4, 14370430), (5, 11496344), (8, 7185215), (10, 5748172), (20, 2874086), (37, 1553560), (40, 1437043), (74, 776780), (148, 388390), (185, 310712), (296, 194195), (370, 155356), (740, 77678), (1480, 38839)]