212280520

素因数分解:

$2^3\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{3719}}^1$

素因数の和:5157

約数の個数: 32

約数和(自身を含む): 478094400

約数和(自身を除く): 265813880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1427, 2854, 3719, 5708, 7135, 7438, 11416, 14270, 14876, 18595, 28540, 29752, 37190, 57080, 74380, 148760, 5307013, 10614026, 21228052, 26535065, 42456104, 53070130, 106140260, 212280520]

約数ペア:

[(1, 212280520), (2, 106140260), (4, 53070130), (5, 42456104), (8, 26535065), (10, 21228052), (20, 10614026), (40, 5307013), (1427, 148760), (2854, 74380), (3719, 57080), (5708, 37190), (7135, 29752), (7438, 28540), (11416, 18595), (14270, 14876)]