25404256

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 55237896

約数和(自身を除く): 29833640

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 67, 68, 82, 134, 136, 164, 268, 272, 289, 328, 536, 544, 578, 656, 697, 1072, 1139, 1156, 1312, 1394, 2144, 2278, 2312, 2747, 2788, 4556, 4624, 5494, 5576, 9112, 9248, 10988, 11152, 11849, 18224, 19363, 21976, 22304, 23698, 36448, 38726, 43952, 46699, 47396, 77452, 87904, 93398, 94792, 154904, 186796, 189584, 309808, 373592, 379168, 619616, 747184, 793883, 1494368, 1587766, 3175532, 6351064, 12702128, 25404256]

約数ペア:

[(1, 25404256), (2, 12702128), (4, 6351064), (8, 3175532), (16, 1587766), (17, 1494368), (32, 793883), (34, 747184), (41, 619616), (67, 379168), (68, 373592), (82, 309808), (134, 189584), (136, 186796), (164, 154904), (268, 94792), (272, 93398), (289, 87904), (328, 77452), (536, 47396), (544, 46699), (578, 43952), (656, 38726), (697, 36448), (1072, 23698), (1139, 22304), (1156, 21976), (1312, 19363), (1394, 18224), (2144, 11849), (2278, 11152), (2312, 10988), (2747, 9248), (2788, 9112), (4556, 5576), (4624, 5494)]