40565728

素因数分解:

$2^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:696

約数の個数: 72

約数和(自身を含む): 95319504

約数和(自身を除く): 54753776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 164, 196, 224, 287, 328, 392, 574, 631, 656, 784, 1148, 1262, 1312, 1568, 2009, 2296, 2524, 4018, 4417, 4592, 5048, 8036, 8834, 9184, 10096, 16072, 17668, 20192, 25871, 30919, 32144, 35336, 51742, 61838, 64288, 70672, 103484, 123676, 141344, 181097, 206968, 247352, 362194, 413936, 494704, 724388, 827872, 989408, 1267679, 1448776, 2535358, 2897552, 5070716, 5795104, 10141432, 20282864, 40565728]

約数ペア:

[(1, 40565728), (2, 20282864), (4, 10141432), (7, 5795104), (8, 5070716), (14, 2897552), (16, 2535358), (28, 1448776), (32, 1267679), (41, 989408), (49, 827872), (56, 724388), (82, 494704), (98, 413936), (112, 362194), (164, 247352), (196, 206968), (224, 181097), (287, 141344), (328, 123676), (392, 103484), (574, 70672), (631, 64288), (656, 61838), (784, 51742), (1148, 35336), (1262, 32144), (1312, 30919), (1568, 25871), (2009, 20192), (2296, 17668), (2524, 16072), (4018, 10096), (4417, 9184), (4592, 8834), (5048, 8036)]