80838128

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42457}}^1$

素因数の和:42489

約数の個数: 40

約数和(自身を含む): 189532512

約数和(自身を除く): 108694384

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 42457, 84914, 169828, 297199, 339656, 594398, 679312, 721769, 1188796, 1443538, 2377592, 2887076, 4755184, 5052383, 5774152, 10104766, 11548304, 20209532, 40419064, 80838128]

約数ペア:

[(1, 80838128), (2, 40419064), (4, 20209532), (7, 11548304), (8, 10104766), (14, 5774152), (16, 5052383), (17, 4755184), (28, 2887076), (34, 2377592), (56, 1443538), (68, 1188796), (112, 721769), (119, 679312), (136, 594398), (238, 339656), (272, 297199), (476, 169828), (952, 84914), (1904, 42457)]