42779440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 109519776

約数和(自身を除く): 66740336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 281, 346, 440, 562, 692, 865, 880, 1124, 1384, 1405, 1730, 1903, 2248, 2768, 2810, 3091, 3460, 3806, 4496, 5620, 6182, 6920, 7612, 9515, 11240, 12364, 13840, 15224, 15455, 19030, 22480, 24728, 30448, 30910, 38060, 48613, 49456, 61820, 76120, 97226, 123640, 152240, 194452, 243065, 247280, 388904, 486130, 534743, 777808, 972260, 1069486, 1944520, 2138972, 2673715, 3889040, 4277944, 5347430, 8555888, 10694860, 21389720, 42779440]

約数ペア:

[(1, 42779440), (2, 21389720), (4, 10694860), (5, 8555888), (8, 5347430), (10, 4277944), (11, 3889040), (16, 2673715), (20, 2138972), (22, 1944520), (40, 1069486), (44, 972260), (55, 777808), (80, 534743), (88, 486130), (110, 388904), (173, 247280), (176, 243065), (220, 194452), (281, 152240), (346, 123640), (440, 97226), (562, 76120), (692, 61820), (865, 49456), (880, 48613), (1124, 38060), (1384, 30910), (1405, 30448), (1730, 24728), (1903, 22480), (2248, 19030), (2768, 15455), (2810, 15224), (3091, 13840), (3460, 12364), (3806, 11240), (4496, 9515), (5620, 7612), (6182, 6920)]