25565848

素因数分解:

$2^3\times 7^4\times {\mathrm{11}}^3$

素因数の和:67

約数の個数: 80

約数和(自身を含む): 61509960

約数和(自身を除く): 35944112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 343, 392, 484, 539, 616, 686, 847, 968, 1078, 1331, 1372, 1694, 2156, 2401, 2662, 2744, 3388, 3773, 4312, 4802, 5324, 5929, 6776, 7546, 9317, 9604, 10648, 11858, 15092, 18634, 19208, 23716, 26411, 30184, 37268, 41503, 47432, 52822, 65219, 74536, 83006, 105644, 130438, 166012, 211288, 260876, 290521, 332024, 456533, 521752, 581042, 913066, 1162084, 1826132, 2324168, 3195731, 3652264, 6391462, 12782924, 25565848]

約数ペア:

[(1, 25565848), (2, 12782924), (4, 6391462), (7, 3652264), (8, 3195731), (11, 2324168), (14, 1826132), (22, 1162084), (28, 913066), (44, 581042), (49, 521752), (56, 456533), (77, 332024), (88, 290521), (98, 260876), (121, 211288), (154, 166012), (196, 130438), (242, 105644), (308, 83006), (343, 74536), (392, 65219), (484, 52822), (539, 47432), (616, 41503), (686, 37268), (847, 30184), (968, 26411), (1078, 23716), (1331, 19208), (1372, 18634), (1694, 15092), (2156, 11858), (2401, 10648), (2662, 9604), (2744, 9317), (3388, 7546), (3773, 6776), (4312, 5929), (4802, 5324)]