25895168

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 57689856

約数和(自身を除く): 31794688

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 251, 256, 403, 416, 496, 502, 806, 832, 992, 1004, 1612, 1664, 1984, 2008, 3224, 3263, 3328, 3968, 4016, 6448, 6526, 7781, 7936, 8032, 12896, 13052, 15562, 16064, 25792, 26104, 31124, 32128, 51584, 52208, 62248, 64256, 101153, 103168, 104416, 124496, 202306, 208832, 248992, 404612, 417664, 497984, 809224, 835328, 995968, 1618448, 1991936, 3236896, 6473792, 12947584, 25895168]

約数ペア:

[(1, 25895168), (2, 12947584), (4, 6473792), (8, 3236896), (13, 1991936), (16, 1618448), (26, 995968), (31, 835328), (32, 809224), (52, 497984), (62, 417664), (64, 404612), (104, 248992), (124, 208832), (128, 202306), (208, 124496), (248, 104416), (251, 103168), (256, 101153), (403, 64256), (416, 62248), (496, 52208), (502, 51584), (806, 32128), (832, 31124), (992, 26104), (1004, 25792), (1612, 16064), (1664, 15562), (1984, 13052), (2008, 12896), (3224, 8032), (3263, 7936), (3328, 7781), (3968, 6526), (4016, 6448)]