40800980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 101122560

約数和(自身を除く): 60321580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 43, 44, 55, 76, 86, 95, 110, 172, 190, 209, 215, 220, 227, 380, 418, 430, 454, 473, 817, 836, 860, 908, 946, 1045, 1135, 1634, 1892, 2090, 2270, 2365, 2497, 3268, 4085, 4180, 4313, 4540, 4730, 4994, 8170, 8626, 8987, 9460, 9761, 9988, 12485, 16340, 17252, 17974, 19522, 21565, 24970, 35948, 39044, 43130, 44935, 47443, 48805, 49940, 86260, 89870, 94886, 97610, 107371, 179740, 185459, 189772, 195220, 214742, 237215, 370918, 429484, 474430, 536855, 741836, 927295, 948860, 1073710, 1854590, 2040049, 2147420, 3709180, 4080098, 8160196, 10200245, 20400490, 40800980]

約数ペア:

[(1, 40800980), (2, 20400490), (4, 10200245), (5, 8160196), (10, 4080098), (11, 3709180), (19, 2147420), (20, 2040049), (22, 1854590), (38, 1073710), (43, 948860), (44, 927295), (55, 741836), (76, 536855), (86, 474430), (95, 429484), (110, 370918), (172, 237215), (190, 214742), (209, 195220), (215, 189772), (220, 185459), (227, 179740), (380, 107371), (418, 97610), (430, 94886), (454, 89870), (473, 86260), (817, 49940), (836, 48805), (860, 47443), (908, 44935), (946, 43130), (1045, 39044), (1135, 35948), (1634, 24970), (1892, 21565), (2090, 19522), (2270, 17974), (2365, 17252), (2497, 16340), (3268, 12485), (4085, 9988), (4180, 9761), (4313, 9460), (4540, 8987), (4730, 8626), (4994, 8170)]