40019928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 116793600

約数和(自身を除く): 76773672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 43, 52, 57, 76, 78, 86, 104, 114, 129, 152, 156, 157, 172, 228, 247, 258, 312, 314, 344, 456, 471, 494, 516, 559, 628, 741, 817, 942, 988, 1032, 1118, 1256, 1482, 1634, 1677, 1884, 1976, 2041, 2236, 2451, 2964, 2983, 3268, 3354, 3768, 4082, 4472, 4902, 5928, 5966, 6123, 6536, 6708, 6751, 8164, 8949, 9804, 10621, 11932, 12246, 13416, 13502, 16328, 17898, 19608, 20253, 21242, 23864, 24492, 27004, 31863, 35796, 38779, 40506, 42484, 48984, 54008, 63726, 71592, 77558, 81012, 84968, 87763, 116337, 127452, 128269, 155116, 162024, 175526, 232674, 254904, 256538, 263289, 310232, 351052, 384807, 465348, 513076, 526578, 702104, 769614, 930696, 1026152, 1053156, 1539228, 1667497, 2106312, 3078456, 3334994, 5002491, 6669988, 10004982, 13339976, 20009964, 40019928]

約数ペア:

[(1, 40019928), (2, 20009964), (3, 13339976), (4, 10004982), (6, 6669988), (8, 5002491), (12, 3334994), (13, 3078456), (19, 2106312), (24, 1667497), (26, 1539228), (38, 1053156), (39, 1026152), (43, 930696), (52, 769614), (57, 702104), (76, 526578), (78, 513076), (86, 465348), (104, 384807), (114, 351052), (129, 310232), (152, 263289), (156, 256538), (157, 254904), (172, 232674), (228, 175526), (247, 162024), (258, 155116), (312, 128269), (314, 127452), (344, 116337), (456, 87763), (471, 84968), (494, 81012), (516, 77558), (559, 71592), (628, 63726), (741, 54008), (817, 48984), (942, 42484), (988, 40506), (1032, 38779), (1118, 35796), (1256, 31863), (1482, 27004), (1634, 24492), (1677, 23864), (1884, 21242), (1976, 20253), (2041, 19608), (2236, 17898), (2451, 16328), (2964, 13502), (2983, 13416), (3268, 12246), (3354, 11932), (3768, 10621), (4082, 9804), (4472, 8949), (4902, 8164), (5928, 6751), (5966, 6708), (6123, 6536)]