81290368

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{8039}}^1$

素因数の和:8132

約数の個数: 32

約数和(自身を含む): 164016000

約数和(自身を除く): 82725632

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2528, 5056, 8039, 10112, 16078, 32156, 64312, 128624, 257248, 514496, 635081, 1028992, 1270162, 2540324, 5080648, 10161296, 20322592, 40645184, 81290368]

約数ペア:

[(1, 81290368), (2, 40645184), (4, 20322592), (8, 10161296), (16, 5080648), (32, 2540324), (64, 1270162), (79, 1028992), (128, 635081), (158, 514496), (316, 257248), (632, 128624), (1264, 64312), (2528, 32156), (5056, 16078), (8039, 10112)]