55658840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22811}}^1$

素因数の和:22883

約数の個数: 32

約数和(自身を含む): 127290960

約数和(自身を除く): 71632120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 22811, 45622, 91244, 114055, 182488, 228110, 456220, 912440, 1391471, 2782942, 5565884, 6957355, 11131768, 13914710, 27829420, 55658840]

約数ペア:

[(1, 55658840), (2, 27829420), (4, 13914710), (5, 11131768), (8, 6957355), (10, 5565884), (20, 2782942), (40, 1391471), (61, 912440), (122, 456220), (244, 228110), (305, 182488), (488, 114055), (610, 91244), (1220, 45622), (2440, 22811)]