40844680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 97574400

約数和(自身を除く): 56729720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 241, 380, 446, 482, 760, 892, 964, 1115, 1205, 1784, 1928, 2230, 2410, 4237, 4460, 4579, 4820, 8474, 8920, 9158, 9640, 16948, 18316, 21185, 22895, 33896, 36632, 42370, 45790, 53743, 84740, 91580, 107486, 169480, 183160, 214972, 268715, 429944, 537430, 1021117, 1074860, 2042234, 2149720, 4084468, 5105585, 8168936, 10211170, 20422340, 40844680]

約数ペア:

[(1, 40844680), (2, 20422340), (4, 10211170), (5, 8168936), (8, 5105585), (10, 4084468), (19, 2149720), (20, 2042234), (38, 1074860), (40, 1021117), (76, 537430), (95, 429944), (152, 268715), (190, 214972), (223, 183160), (241, 169480), (380, 107486), (446, 91580), (482, 84740), (760, 53743), (892, 45790), (964, 42370), (1115, 36632), (1205, 33896), (1784, 22895), (1928, 21185), (2230, 18316), (2410, 16948), (4237, 9640), (4460, 9158), (4579, 8920), (4820, 8474)]