40238048

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:292

約数の個数: 72

約数和(自身を含む): 88968600

約数和(自身を除く): 48730552

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 229, 272, 289, 304, 323, 458, 544, 578, 608, 646, 916, 1156, 1292, 1832, 2312, 2584, 3664, 3893, 4351, 4624, 5168, 5491, 7328, 7786, 8702, 9248, 10336, 10982, 15572, 17404, 21964, 31144, 34808, 43928, 62288, 66181, 69616, 73967, 87856, 124576, 132362, 139232, 147934, 175712, 264724, 295868, 529448, 591736, 1058896, 1183472, 1257439, 2117792, 2366944, 2514878, 5029756, 10059512, 20119024, 40238048]

約数ペア:

[(1, 40238048), (2, 20119024), (4, 10059512), (8, 5029756), (16, 2514878), (17, 2366944), (19, 2117792), (32, 1257439), (34, 1183472), (38, 1058896), (68, 591736), (76, 529448), (136, 295868), (152, 264724), (229, 175712), (272, 147934), (289, 139232), (304, 132362), (323, 124576), (458, 87856), (544, 73967), (578, 69616), (608, 66181), (646, 62288), (916, 43928), (1156, 34808), (1292, 31144), (1832, 21964), (2312, 17404), (2584, 15572), (3664, 10982), (3893, 10336), (4351, 9248), (4624, 8702), (5168, 7786), (5491, 7328)]