1667440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 4084560

約数和(自身を除く): 2417120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1097, 1520, 2194, 4388, 5485, 8776, 10970, 17552, 20843, 21940, 41686, 43880, 83372, 87760, 104215, 166744, 208430, 333488, 416860, 833720, 1667440]

約数ペア:

[(1, 1667440), (2, 833720), (4, 416860), (5, 333488), (8, 208430), (10, 166744), (16, 104215), (19, 87760), (20, 83372), (38, 43880), (40, 41686), (76, 21940), (80, 20843), (95, 17552), (152, 10970), (190, 8776), (304, 5485), (380, 4388), (760, 2194), (1097, 1520)]