53798140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2521}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 124566624

約数和(自身を除く): 70768484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 2521, 4268, 5042, 5335, 10084, 10670, 12605, 21340, 25210, 27731, 50420, 55462, 110924, 138655, 244537, 277310, 489074, 554620, 978148, 1222685, 2445370, 2689907, 4890740, 5379814, 10759628, 13449535, 26899070, 53798140]

約数ペア:

[(1, 53798140), (2, 26899070), (4, 13449535), (5, 10759628), (10, 5379814), (11, 4890740), (20, 2689907), (22, 2445370), (44, 1222685), (55, 978148), (97, 554620), (110, 489074), (194, 277310), (220, 244537), (388, 138655), (485, 110924), (970, 55462), (1067, 50420), (1940, 27731), (2134, 25210), (2521, 21340), (4268, 12605), (5042, 10670), (5335, 10084)]