25420304

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 65352960

約数和(自身を除く): 39932656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 79, 91, 104, 112, 119, 136, 158, 169, 182, 208, 221, 238, 272, 316, 338, 364, 442, 476, 553, 632, 676, 728, 884, 952, 1027, 1106, 1183, 1264, 1343, 1352, 1456, 1547, 1768, 1904, 2054, 2212, 2366, 2686, 2704, 2873, 3094, 3536, 4108, 4424, 4732, 5372, 5746, 6188, 7189, 8216, 8848, 9401, 9464, 10744, 11492, 12376, 13351, 14378, 16432, 17459, 18802, 18928, 20111, 21488, 22984, 24752, 26702, 28756, 34918, 37604, 40222, 45968, 53404, 57512, 69836, 75208, 80444, 93457, 106808, 115024, 122213, 139672, 150416, 160888, 186914, 213616, 226967, 244426, 279344, 321776, 373828, 453934, 488852, 747656, 907868, 977704, 1495312, 1588769, 1815736, 1955408, 3177538, 3631472, 6355076, 12710152, 25420304]

約数ペア:

[(1, 25420304), (2, 12710152), (4, 6355076), (7, 3631472), (8, 3177538), (13, 1955408), (14, 1815736), (16, 1588769), (17, 1495312), (26, 977704), (28, 907868), (34, 747656), (52, 488852), (56, 453934), (68, 373828), (79, 321776), (91, 279344), (104, 244426), (112, 226967), (119, 213616), (136, 186914), (158, 160888), (169, 150416), (182, 139672), (208, 122213), (221, 115024), (238, 106808), (272, 93457), (316, 80444), (338, 75208), (364, 69836), (442, 57512), (476, 53404), (553, 45968), (632, 40222), (676, 37604), (728, 34918), (884, 28756), (952, 26702), (1027, 24752), (1106, 22984), (1183, 21488), (1264, 20111), (1343, 18928), (1352, 18802), (1456, 17459), (1547, 16432), (1768, 14378), (1904, 13351), (2054, 12376), (2212, 11492), (2366, 10744), (2686, 9464), (2704, 9401), (2873, 8848), (3094, 8216), (3536, 7189), (4108, 6188), (4424, 5746), (4732, 5372)]