80980736

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{16649}}^1$

素因数の和:16684

約数の個数: 36

約数和(自身を含む): 170163000

約数和(自身を除く): 89182264

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 16649, 33298, 66596, 133192, 266384, 316331, 532768, 632662, 1065536, 1265324, 2131072, 2530648, 4262144, 5061296, 10122592, 20245184, 40490368, 80980736]

約数ペア:

[(1, 80980736), (2, 40490368), (4, 20245184), (8, 10122592), (16, 5061296), (19, 4262144), (32, 2530648), (38, 2131072), (64, 1265324), (76, 1065536), (128, 632662), (152, 532768), (256, 316331), (304, 266384), (608, 133192), (1216, 66596), (2432, 33298), (4864, 16649)]