80771488

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21211}}^1$

素因数の和:21245

約数の個数: 48

約数和(自身を含む): 192435264

約数和(自身を除く): 111663776

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 21211, 42422, 84844, 148477, 169688, 296954, 339376, 360587, 593908, 678752, 721174, 1187816, 1442348, 2375632, 2524109, 2884696, 4751264, 5048218, 5769392, 10096436, 11538784, 20192872, 40385744, 80771488]

約数ペア:

[(1, 80771488), (2, 40385744), (4, 20192872), (7, 11538784), (8, 10096436), (14, 5769392), (16, 5048218), (17, 4751264), (28, 2884696), (32, 2524109), (34, 2375632), (56, 1442348), (68, 1187816), (112, 721174), (119, 678752), (136, 593908), (224, 360587), (238, 339376), (272, 296954), (476, 169688), (544, 148477), (952, 84844), (1904, 42422), (3808, 21211)]