40387312

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18979}}^1$

素因数の和:19013

約数の個数: 40

約数和(自身を含む): 94140800

約数和(自身を除く): 53753488

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 18979, 37958, 75916, 132853, 151832, 265706, 303664, 360601, 531412, 721202, 1062824, 1442404, 2125648, 2524207, 2884808, 5048414, 5769616, 10096828, 20193656, 40387312]

約数ペア:

[(1, 40387312), (2, 20193656), (4, 10096828), (7, 5769616), (8, 5048414), (14, 2884808), (16, 2524207), (19, 2125648), (28, 1442404), (38, 1062824), (56, 721202), (76, 531412), (112, 360601), (133, 303664), (152, 265706), (266, 151832), (304, 132853), (532, 75916), (1064, 37958), (2128, 18979)]