55397980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251809}}^1$

素因数の和:251829

約数の個数: 24

約数和(自身を含む): 126912240

約数和(自身を除く): 71514260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251809, 503618, 1007236, 1259045, 2518090, 2769899, 5036180, 5539798, 11079596, 13849495, 27698990, 55397980]

約数ペア:

[(1, 55397980), (2, 27698990), (4, 13849495), (5, 11079596), (10, 5539798), (11, 5036180), (20, 2769899), (22, 2518090), (44, 1259045), (55, 1007236), (110, 503618), (220, 251809)]