13878260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 32054400

約数和(自身を除く): 18176140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 317, 398, 634, 796, 995, 1268, 1585, 1990, 2189, 3170, 3487, 3980, 4378, 6340, 6974, 8756, 10945, 13948, 17435, 21890, 34870, 43780, 63083, 69740, 126166, 252332, 315415, 630830, 693913, 1261660, 1387826, 2775652, 3469565, 6939130, 13878260]

約数ペア:

[(1, 13878260), (2, 6939130), (4, 3469565), (5, 2775652), (10, 1387826), (11, 1261660), (20, 693913), (22, 630830), (44, 315415), (55, 252332), (110, 126166), (199, 69740), (220, 63083), (317, 43780), (398, 34870), (634, 21890), (796, 17435), (995, 13948), (1268, 10945), (1585, 8756), (1990, 6974), (2189, 6340), (3170, 4378), (3487, 3980)]