25117180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 59122224

約数和(自身を除く): 34005044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 107, 110, 121, 194, 214, 220, 242, 388, 428, 484, 485, 535, 605, 970, 1067, 1070, 1177, 1210, 1940, 2134, 2140, 2354, 2420, 4268, 4708, 5335, 5885, 10379, 10670, 11737, 11770, 12947, 20758, 21340, 23474, 23540, 25894, 41516, 46948, 51788, 51895, 58685, 64735, 103790, 114169, 117370, 129470, 207580, 228338, 234740, 258940, 456676, 570845, 1141690, 1255859, 2283380, 2511718, 5023436, 6279295, 12558590, 25117180]

約数ペア:

[(1, 25117180), (2, 12558590), (4, 6279295), (5, 5023436), (10, 2511718), (11, 2283380), (20, 1255859), (22, 1141690), (44, 570845), (55, 456676), (97, 258940), (107, 234740), (110, 228338), (121, 207580), (194, 129470), (214, 117370), (220, 114169), (242, 103790), (388, 64735), (428, 58685), (484, 51895), (485, 51788), (535, 46948), (605, 41516), (970, 25894), (1067, 23540), (1070, 23474), (1177, 21340), (1210, 20758), (1940, 12947), (2134, 11770), (2140, 11737), (2354, 10670), (2420, 10379), (4268, 5885), (4708, 5335)]