27792140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 60201792

約数和(自身を除く): 32409652

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 157, 167, 212, 265, 314, 334, 530, 628, 668, 785, 835, 1060, 1570, 1670, 3140, 3340, 8321, 8851, 16642, 17702, 26219, 33284, 35404, 41605, 44255, 52438, 83210, 88510, 104876, 131095, 166420, 177020, 262190, 524380, 1389607, 2779214, 5558428, 6948035, 13896070, 27792140]

約数ペア:

[(1, 27792140), (2, 13896070), (4, 6948035), (5, 5558428), (10, 2779214), (20, 1389607), (53, 524380), (106, 262190), (157, 177020), (167, 166420), (212, 131095), (265, 104876), (314, 88510), (334, 83210), (530, 52438), (628, 44255), (668, 41605), (785, 35404), (835, 33284), (1060, 26219), (1570, 17702), (1670, 16642), (3140, 8851), (3340, 8321)]