16642480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10949}}^1$

素因数の和:10981

約数の個数: 40

約数和(自身を含む): 40734000

約数和(自身を除く): 24091520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10949, 21898, 43796, 54745, 87592, 109490, 175184, 208031, 218980, 416062, 437960, 832124, 875920, 1040155, 1664248, 2080310, 3328496, 4160620, 8321240, 16642480]

約数ペア:

[(1, 16642480), (2, 8321240), (4, 4160620), (5, 3328496), (8, 2080310), (10, 1664248), (16, 1040155), (19, 875920), (20, 832124), (38, 437960), (40, 416062), (76, 218980), (80, 208031), (95, 175184), (152, 109490), (190, 87592), (304, 54745), (380, 43796), (760, 21898), (1520, 10949)]