40147552

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 81829440

約数和(自身を除く): 41681888

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 163, 172, 179, 326, 344, 358, 652, 688, 716, 1304, 1376, 1432, 2608, 2864, 5216, 5728, 7009, 7697, 14018, 15394, 28036, 29177, 30788, 56072, 58354, 61576, 112144, 116708, 123152, 224288, 233416, 246304, 466832, 933664, 1254611, 2509222, 5018444, 10036888, 20073776, 40147552]

約数ペア:

[(1, 40147552), (2, 20073776), (4, 10036888), (8, 5018444), (16, 2509222), (32, 1254611), (43, 933664), (86, 466832), (163, 246304), (172, 233416), (179, 224288), (326, 123152), (344, 116708), (358, 112144), (652, 61576), (688, 58354), (716, 56072), (1304, 30788), (1376, 29177), (1432, 28036), (2608, 15394), (2864, 14018), (5216, 7697), (5728, 7009)]