25101520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18457}}^1$

素因数の和:18487

約数の個数: 40

約数和(自身を含む): 61797384

約数和(自身を除く): 36695864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 18457, 36914, 73828, 92285, 147656, 184570, 295312, 313769, 369140, 627538, 738280, 1255076, 1476560, 1568845, 2510152, 3137690, 5020304, 6275380, 12550760, 25101520]

約数ペア:

[(1, 25101520), (2, 12550760), (4, 6275380), (5, 5020304), (8, 3137690), (10, 2510152), (16, 1568845), (17, 1476560), (20, 1255076), (34, 738280), (40, 627538), (68, 369140), (80, 313769), (85, 295312), (136, 184570), (170, 147656), (272, 92285), (340, 73828), (680, 36914), (1360, 18457)]