57454840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16139}}^1$

素因数の和:16239

約数の個数: 32

約数和(自身を含む): 130734000

約数和(自身を除く): 73279160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 16139, 32278, 64556, 80695, 129112, 161390, 322780, 645560, 1436371, 2872742, 5745484, 7181855, 11490968, 14363710, 28727420, 57454840]

約数ペア:

[(1, 57454840), (2, 28727420), (4, 14363710), (5, 11490968), (8, 7181855), (10, 5745484), (20, 2872742), (40, 1436371), (89, 645560), (178, 322780), (356, 161390), (445, 129112), (712, 80695), (890, 64556), (1780, 32278), (3560, 16139)]