1180840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 2711880

約数和(自身を除く): 1531040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 557, 1060, 1114, 2120, 2228, 2785, 4456, 5570, 11140, 22280, 29521, 59042, 118084, 147605, 236168, 295210, 590420, 1180840]

約数ペア:

[(1, 1180840), (2, 590420), (4, 295210), (5, 236168), (8, 147605), (10, 118084), (20, 59042), (40, 29521), (53, 22280), (106, 11140), (212, 5570), (265, 4456), (424, 2785), (530, 2228), (557, 2120), (1060, 1114)]