82617040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 210986496

約数和(自身を除く): 128369456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 421, 440, 446, 842, 880, 892, 1115, 1684, 1784, 2105, 2230, 2453, 3368, 3568, 4210, 4460, 4631, 4906, 6736, 8420, 8920, 9262, 9812, 12265, 16840, 17840, 18524, 19624, 23155, 24530, 33680, 37048, 39248, 46310, 49060, 74096, 92620, 93883, 98120, 185240, 187766, 196240, 370480, 375532, 469415, 751064, 938830, 1032713, 1502128, 1877660, 2065426, 3755320, 4130852, 5163565, 7510640, 8261704, 10327130, 16523408, 20654260, 41308520, 82617040]

約数ペア:

[(1, 82617040), (2, 41308520), (4, 20654260), (5, 16523408), (8, 10327130), (10, 8261704), (11, 7510640), (16, 5163565), (20, 4130852), (22, 3755320), (40, 2065426), (44, 1877660), (55, 1502128), (80, 1032713), (88, 938830), (110, 751064), (176, 469415), (220, 375532), (223, 370480), (421, 196240), (440, 187766), (446, 185240), (842, 98120), (880, 93883), (892, 92620), (1115, 74096), (1684, 49060), (1784, 46310), (2105, 39248), (2230, 37048), (2453, 33680), (3368, 24530), (3568, 23155), (4210, 19624), (4460, 18524), (4631, 17840), (4906, 16840), (6736, 12265), (8420, 9812), (8920, 9262)]