80944820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{941}}^1$

素因数の和:1001

約数の個数: 96

約数和(自身を含む): 205099776

約数和(自身を除く): 124154956

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 170, 187, 220, 230, 253, 340, 374, 391, 460, 506, 748, 782, 935, 941, 1012, 1265, 1564, 1870, 1882, 1955, 2530, 3740, 3764, 3910, 4301, 4705, 5060, 7820, 8602, 9410, 10351, 15997, 17204, 18820, 20702, 21505, 21643, 31994, 41404, 43010, 43286, 51755, 63988, 79985, 86020, 86572, 103510, 108215, 159970, 175967, 207020, 216430, 238073, 319940, 351934, 367931, 432860, 476146, 703868, 735862, 879835, 952292, 1190365, 1471724, 1759670, 1839655, 2380730, 3519340, 3679310, 4047241, 4761460, 7358620, 8094482, 16188964, 20236205, 40472410, 80944820]

約数ペア:

[(1, 80944820), (2, 40472410), (4, 20236205), (5, 16188964), (10, 8094482), (11, 7358620), (17, 4761460), (20, 4047241), (22, 3679310), (23, 3519340), (34, 2380730), (44, 1839655), (46, 1759670), (55, 1471724), (68, 1190365), (85, 952292), (92, 879835), (110, 735862), (115, 703868), (170, 476146), (187, 432860), (220, 367931), (230, 351934), (253, 319940), (340, 238073), (374, 216430), (391, 207020), (460, 175967), (506, 159970), (748, 108215), (782, 103510), (935, 86572), (941, 86020), (1012, 79985), (1265, 63988), (1564, 51755), (1870, 43286), (1882, 43010), (1955, 41404), (2530, 31994), (3740, 21643), (3764, 21505), (3910, 20702), (4301, 18820), (4705, 17204), (5060, 15997), (7820, 10351), (8602, 9410)]