12790128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 36108800

約数和(自身を除く): 23318672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 103, 104, 156, 199, 206, 208, 309, 312, 398, 412, 597, 618, 624, 796, 824, 1194, 1236, 1339, 1592, 1648, 2388, 2472, 2587, 2678, 3184, 4017, 4776, 4944, 5174, 5356, 7761, 8034, 9552, 10348, 10712, 15522, 16068, 20497, 20696, 21424, 31044, 32136, 40994, 41392, 61491, 62088, 64272, 81988, 122982, 124176, 163976, 245964, 266461, 327952, 491928, 532922, 799383, 983856, 1065844, 1598766, 2131688, 3197532, 4263376, 6395064, 12790128]

約数ペア:

[(1, 12790128), (2, 6395064), (3, 4263376), (4, 3197532), (6, 2131688), (8, 1598766), (12, 1065844), (13, 983856), (16, 799383), (24, 532922), (26, 491928), (39, 327952), (48, 266461), (52, 245964), (78, 163976), (103, 124176), (104, 122982), (156, 81988), (199, 64272), (206, 62088), (208, 61491), (309, 41392), (312, 40994), (398, 32136), (412, 31044), (597, 21424), (618, 20696), (624, 20497), (796, 16068), (824, 15522), (1194, 10712), (1236, 10348), (1339, 9552), (1592, 8034), (1648, 7761), (2388, 5356), (2472, 5174), (2587, 4944), (2678, 4776), (3184, 4017)]