25105882940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{4507}}^1$

素因数の和:4779

約数の個数: 96

約数和(自身を含む): 56437274880

約数和(自身を除く): 31331391940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 137, 190, 214, 274, 380, 428, 535, 548, 685, 1070, 1370, 2033, 2140, 2603, 2740, 4066, 4507, 5206, 8132, 9014, 10165, 10412, 13015, 14659, 18028, 20330, 22535, 26030, 29318, 40660, 45070, 52060, 58636, 73295, 85633, 90140, 146590, 171266, 278521, 293180, 342532, 428165, 482249, 557042, 617459, 856330, 964498, 1114084, 1234918, 1392605, 1712660, 1928996, 2411245, 2469836, 2785210, 3087295, 4822490, 5570420, 6174590, 9162731, 9644980, 11731721, 12349180, 18325462, 23463442, 36650924, 45813655, 46926884, 58658605, 66068113, 91627310, 117317210, 132136226, 183254620, 234634420, 264272452, 330340565, 660681130, 1255294147, 1321362260, 2510588294, 5021176588, 6276470735, 12552941470, 25105882940]

約数ペア:

[(1, 25105882940), (2, 12552941470), (4, 6276470735), (5, 5021176588), (10, 2510588294), (19, 1321362260), (20, 1255294147), (38, 660681130), (76, 330340565), (95, 264272452), (107, 234634420), (137, 183254620), (190, 132136226), (214, 117317210), (274, 91627310), (380, 66068113), (428, 58658605), (535, 46926884), (548, 45813655), (685, 36650924), (1070, 23463442), (1370, 18325462), (2033, 12349180), (2140, 11731721), (2603, 9644980), (2740, 9162731), (4066, 6174590), (4507, 5570420), (5206, 4822490), (8132, 3087295), (9014, 2785210), (10165, 2469836), (10412, 2411245), (13015, 1928996), (14659, 1712660), (18028, 1392605), (20330, 1234918), (22535, 1114084), (26030, 964498), (29318, 856330), (40660, 617459), (45070, 557042), (52060, 482249), (58636, 428165), (73295, 342532), (85633, 293180), (90140, 278521), (146590, 171266)]