131650420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{54401}}^1$

素因数の和:54432

約数の個数: 36

約数和(自身を含む): 303889572

約数和(自身を除く): 172239152

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 54401, 108802, 217604, 272005, 544010, 598411, 1088020, 1196822, 2393644, 2992055, 5984110, 6582521, 11968220, 13165042, 26330084, 32912605, 65825210, 131650420]

約数ペア:

[(1, 131650420), (2, 65825210), (4, 32912605), (5, 26330084), (10, 13165042), (11, 11968220), (20, 6582521), (22, 5984110), (44, 2992055), (55, 2393644), (110, 1196822), (121, 1088020), (220, 598411), (242, 544010), (484, 272005), (605, 217604), (1210, 108802), (2420, 54401)]